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f453ba04
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1/*
2 * Copyright © 2006 Keith Packard
3 * Copyright © 2007-2008 Dave Airlie
4 * Copyright © 2007-2008 Intel Corporation
5 * Jesse Barnes <jesse.barnes@intel.com>
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
24 */
25#ifndef __DRM_CRTC_H__
26#define __DRM_CRTC_H__
27
28#include <linux/i2c.h>
29#include <linux/spinlock.h>
30#include <linux/types.h>
31#include <linux/idr.h>
f453ba04 32#include <linux/fb.h>
19218e48 33#include <drm/drm_mode.h>
f453ba04 34
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35#include <drm/drm_fourcc.h>
36
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37struct drm_device;
38struct drm_mode_set;
39struct drm_framebuffer;
7e3bdf4a 40struct drm_object_properties;
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41
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
8cf5c917 50#define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
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51
52struct drm_mode_object {
53 uint32_t id;
54 uint32_t type;
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55 struct drm_object_properties *properties;
56};
57
fe456168 58#define DRM_OBJECT_MAX_PROPERTY 24
7e3bdf4a 59struct drm_object_properties {
7f88a9be 60 int count;
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61 uint32_t ids[DRM_OBJECT_MAX_PROPERTY];
62 uint64_t values[DRM_OBJECT_MAX_PROPERTY];
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63};
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 */
25985edc 80 MODE_NOMODE, /* no mode with a matching name */
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81 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), \
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122 .vscan = (vs), .flags = (f), .vrefresh = 0, \
123 .base.type = DRM_MODE_OBJECT_MODE
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124
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
f453ba04 134 enum drm_mode_status status;
2fcfc75b 135 unsigned int type;
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136
137 /* Proposed mode values */
7ac96a9c 138 int clock; /* in kHz */
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139 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;
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171
172 /* Driver private mode info */
173 int private_size;
174 int *private;
175 int private_flags;
176
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177 int vrefresh; /* in Hz */
178 int hsync; /* in kHz */
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179};
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
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196#define DRM_COLOR_FORMAT_RGB444 (1<<0)
197#define DRM_COLOR_FORMAT_YCRCB444 (1<<1)
198#define DRM_COLOR_FORMAT_YCRCB422 (1<<2)
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199/*
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];
fb439640 204
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205 /* Physical size */
206 unsigned int width_mm;
207 unsigned int height_mm;
208
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209 /* Clock limits FIXME: storage format */
210 unsigned int min_vfreq, max_vfreq;
211 unsigned int min_hfreq, max_hfreq;
212 unsigned int pixel_clock;
3b11228b 213 unsigned int bpc;
f453ba04 214
f453ba04 215 enum subpixel_order subpixel_order;
da05a5a7 216 u32 color_formats;
f453ba04 217
ebec9a7b 218 u8 cea_rev;
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219};
220
221struct drm_framebuffer_funcs {
f7eff60e 222 /* note: use drm_framebuffer_remove() */
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223 void (*destroy)(struct drm_framebuffer *framebuffer);
224 int (*create_handle)(struct drm_framebuffer *fb,
225 struct drm_file *file_priv,
226 unsigned int *handle);
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227 /**
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 */
02b00162
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239 int (*dirty)(struct drm_framebuffer *framebuffer,
240 struct drm_file *file_priv, unsigned flags,
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241 unsigned color, struct drm_clip_rect *clips,
242 unsigned num_clips);
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243};
244
245struct drm_framebuffer {
246 struct drm_device *dev;
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247 /*
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;
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257 struct list_head head;
258 struct drm_mode_object base;
259 const struct drm_framebuffer_funcs *funcs;
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260 unsigned int pitches[4];
261 unsigned int offsets[4];
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262 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;
308e5bcb 268 uint32_t pixel_format; /* fourcc format */
f453ba04 269 struct list_head filp_head;
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270 /* if you are using the helper */
271 void *helper_private;
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272};
273
274struct drm_property_blob {
275 struct drm_mode_object base;
276 struct list_head head;
277 unsigned int length;
d63f5e6b 278 unsigned char data[];
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279};
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;
d91d8a3f 301struct drm_pending_vblank_event;
8cf5c917 302struct drm_plane;
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303
304/**
305 * drm_crtc_funcs - control CRTCs for a given device
f453ba04 306 * @save: save CRTC state
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307 * @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
f453ba04 311 * @gamma_set: specify color ramp for CRTC
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312 * @destroy: deinit and free object
313 * @set_property: called when a property is changed
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314 * @set_config: apply a new CRTC configuration
315 * @page_flip: initiate a page flip
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316 *
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? */
eb033556
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331 /* Reset CRTC state */
332 void (*reset)(struct drm_crtc *crtc);
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333
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,
7203425a 341 uint32_t start, uint32_t size);
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342 /* Object destroy routine */
343 void (*destroy)(struct drm_crtc *crtc);
344
345 int (*set_config)(struct drm_mode_set *set);
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346
347 /*
348 * Flip to the given framebuffer. This implements the page
25985edc 349 * flip ioctl described in drm_mode.h, specifically, the
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350 * 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);
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359
360 int (*set_property)(struct drm_crtc *crtc,
361 struct drm_property *property, uint64_t val);
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362};
363
364/**
365 * drm_crtc - central CRTC control structure
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366 * @dev: parent DRM device
367 * @head: list management
368 * @base: base KMS object for ID tracking etc.
f453ba04 369 * @enabled: is this CRTC enabled?
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370 * @mode: current mode timings
371 * @hwmode: mode timings as programmed to hw regs
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372 * @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
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375 * @x: x position on screen
376 * @y: y position on screen
f453ba04 377 * @funcs: CRTC control functions
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378 * @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
bffd9de0 384 * @properties: property tracking for this CRTC
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385 *
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
27641c3f 400 /* Requested mode from modesetting. */
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401 struct drm_display_mode mode;
402
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403 /* 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
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408 bool invert_dimensions;
409
f453ba04 410 int x, y;
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411 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
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417 /* Constants needed for precise vblank and swap timestamping. */
418 s64 framedur_ns, linedur_ns, pixeldur_ns;
419
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420 /* if you are using the helper */
421 void *helper_private;
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422
423 struct drm_object_properties properties;
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424};
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
eb033556 432 * @reset: reset connector after state has been invalidate (e.g. resume)
f453ba04 433 * @detect: is this connector active?
3b02ab88 434 * @fill_modes: fill mode list for this connector
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435 * @set_property: property for this connector may need update
436 * @destroy: make object go away
d50ba256 437 * @force: notify the driver the connector is forced on
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438 *
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);
eb033556 447 void (*reset)(struct drm_connector *connector);
930a9e28
CW
448
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 */
7b334fcb 455 enum drm_connector_status (*detect)(struct drm_connector *connector,
930a9e28 456 bool force);
40a518d9 457 int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
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458 int (*set_property)(struct drm_connector *connector, struct drm_property *property,
459 uint64_t val);
460 void (*destroy)(struct drm_connector *connector);
d50ba256 461 void (*force)(struct drm_connector *connector);
f453ba04
DA
462};
463
6c3db920
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464/**
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 */
f453ba04 471struct drm_encoder_funcs {
eb033556 472 void (*reset)(struct drm_encoder *encoder);
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473 void (*destroy)(struct drm_encoder *encoder);
474};
475
476#define DRM_CONNECTOR_MAX_UMODES 16
f453ba04 477#define DRM_CONNECTOR_LEN 32
afe887df 478#define DRM_CONNECTOR_MAX_ENCODER 3
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479
480/**
481 * drm_encoder - central DRM encoder structure
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482 * @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.
f453ba04
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494 */
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
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DA
509enum 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
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516/* 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
76adaa34
WF
525#define MAX_ELD_BYTES 128
526
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527/**
528 * drm_connector - central DRM connector control structure
72252548
JB
529 * @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
f453ba04
DA
536 * @interlace_allowed: can this connector handle interlaced modes?
537 * @doublescan_allowed: can this connector handle doublescan?
72252548
JB
538 * @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)
f453ba04 542 * @funcs: connector control functions
72252548
JB
543 * @user_modes: user added mode list
544 * @edid_blob_ptr: DRM property containing EDID if present
7e3bdf4a 545 * @properties: property tracking for this connector
72252548
JB
546 * @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
f453ba04
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559 *
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
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579 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;
7e3bdf4a 589 struct drm_object_properties properties;
f453ba04 590
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591 uint8_t polled; /* DRM_CONNECTOR_POLL_* */
592
c9fb15f6
KP
593 /* requested DPMS state */
594 int dpms;
595
f453ba04
DA
596 void *helper_private;
597
d50ba256
DA
598 /* forced on connector */
599 enum drm_connector_force force;
f453ba04 600 uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
f453ba04 601 struct drm_encoder *encoder; /* currently active encoder */
4a9a8b71 602
76adaa34
WF
603 /* 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];
4a9a8b71 610 int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */
0b2443ed 611 unsigned bad_edid_counter;
f453ba04
DA
612};
613
8cf5c917
JB
614/**
615 * 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
4d93914a 619 * @set_property: called when a property is changed
8cf5c917
JB
620 */
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);
4d93914a
RC
630
631 int (*set_property)(struct drm_plane *plane,
632 struct drm_property *property, uint64_t val);
8cf5c917
JB
633};
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
4d93914a 650 * @properties: property tracking for this plane
8cf5c917
JB
651 */
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;
4d93914a
RC
673
674 struct drm_object_properties properties;
8cf5c917
JB
675};
676
f453ba04 677/**
ef27351a
JB
678 * 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
f453ba04
DA
687 *
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 {
f453ba04
DA
694 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/**
550cebcd
JB
706 * 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.
f453ba04
DA
712 */
713struct drm_mode_config_funcs {
550cebcd
JB
714 struct drm_framebuffer *(*fb_create)(struct drm_device *dev,
715 struct drm_file *file_priv,
716 struct drm_mode_fb_cmd2 *mode_cmd);
eb1f8e4f 717 void (*output_poll_changed)(struct drm_device *dev);
f453ba04
DA
718};
719
c1aaca23
JB
720/**
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 */
f453ba04
DA
733struct 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
a62c93d5
JB
744 * @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
f453ba04 764 *
a62c93d5
JB
765 * 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.
f453ba04
DA
768 */
769struct drm_mode_config {
ad2563c2
JB
770 struct mutex mutex; /* protects configuration (mode lists etc.) */
771 struct mutex idr_mutex; /* for IDR management */
f453ba04
DA
772 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;
8cf5c917
JB
780 int num_plane;
781 struct list_head plane_list;
f453ba04
DA
782
783 int num_crtc;
784 struct list_head crtc_list;
785
786 struct list_head property_list;
787
f453ba04
DA
788 int min_width, min_height;
789 int max_width, max_height;
e6ecefaa 790 const struct drm_mode_config_funcs *funcs;
d883f7f1 791 resource_size_t fb_base;
f453ba04 792
eb1f8e4f
DA
793 /* output poll support */
794 bool poll_enabled;
991ea75c 795 struct delayed_work output_poll_work;
eb1f8e4f 796
f453ba04
DA
797 /* 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;
b6b7902e
FJ
814 struct drm_property *tv_brightness_property;
815 struct drm_property *tv_contrast_property;
816 struct drm_property *tv_flicker_reduction_property;
a75f0236
FJ
817 struct drm_property *tv_overscan_property;
818 struct drm_property *tv_saturation_property;
819 struct drm_property *tv_hue_property;
f453ba04
DA
820
821 /* Optional properties */
822 struct drm_property *scaling_mode_property;
823 struct drm_property *dithering_mode_property;
884840aa 824 struct drm_property *dirty_info_property;
019d96cb
DA
825
826 /* dumb ioctl parameters */
827 uint32_t preferred_depth, prefer_shadow;
f453ba04
DA
828};
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)
8cf5c917 837#define obj_to_plane(x) container_of(x, struct drm_plane, base)
f453ba04 838
4a67d391
SH
839struct drm_prop_enum_list {
840 int type;
841 char *name;
842};
f453ba04 843
6bfc56aa
VS
844extern int drm_crtc_init(struct drm_device *dev,
845 struct drm_crtc *crtc,
846 const struct drm_crtc_funcs *funcs);
f453ba04
DA
847extern void drm_crtc_cleanup(struct drm_crtc *crtc);
848
6bfc56aa
VS
849extern int drm_connector_init(struct drm_device *dev,
850 struct drm_connector *connector,
851 const struct drm_connector_funcs *funcs,
852 int connector_type);
f453ba04
DA
853
854extern void drm_connector_cleanup(struct drm_connector *connector);
cbc7e221
DA
855/* helper to unplug all connectors from sysfs for device */
856extern void drm_connector_unplug_all(struct drm_device *dev);
f453ba04 857
6bfc56aa
VS
858extern int drm_encoder_init(struct drm_device *dev,
859 struct drm_encoder *encoder,
860 const struct drm_encoder_funcs *funcs,
861 int encoder_type);
f453ba04 862
8cf5c917
JB
863extern 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,
0a7eb243
RC
867 const uint32_t *formats, uint32_t format_count,
868 bool priv);
8cf5c917
JB
869extern void drm_plane_cleanup(struct drm_plane *plane);
870
f453ba04
DA
871extern 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);
ea39f835 879extern void drm_fb_release(struct drm_file *file_priv);
f453ba04
DA
880extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
881extern struct edid *drm_get_edid(struct drm_connector *connector,
882 struct i2c_adapter *adapter);
f453ba04
DA
883extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
884extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
885extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);
c3c50e8b 886extern void drm_mode_copy(struct drm_display_mode *dst, const struct drm_display_mode *src);
f453ba04 887extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
b1f559ec 888 const struct drm_display_mode *mode);
f453ba04
DA
889extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode);
890extern void drm_mode_config_init(struct drm_device *dev);
eb033556 891extern void drm_mode_config_reset(struct drm_device *dev);
f453ba04
DA
892extern void drm_mode_config_cleanup(struct drm_device *dev);
893extern void drm_mode_set_name(struct drm_display_mode *mode);
894extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2);
895extern int drm_mode_width(struct drm_display_mode *mode);
896extern int drm_mode_height(struct drm_display_mode *mode);
897
898/* for us by fb module */
899extern int drm_mode_attachmode_crtc(struct drm_device *dev,
900 struct drm_crtc *crtc,
ac235daf 901 const struct drm_display_mode *mode);
f453ba04
DA
902extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode);
903
904extern struct drm_display_mode *drm_mode_create(struct drm_device *dev);
905extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
906extern void drm_mode_list_concat(struct list_head *head,
907 struct list_head *new);
908extern void drm_mode_validate_size(struct drm_device *dev,
909 struct list_head *mode_list,
910 int maxX, int maxY, int maxPitch);
911extern void drm_mode_prune_invalid(struct drm_device *dev,
912 struct list_head *mode_list, bool verbose);
913extern void drm_mode_sort(struct list_head *mode_list);
b1f559ec
CW
914extern int drm_mode_hsync(const struct drm_display_mode *mode);
915extern int drm_mode_vrefresh(const struct drm_display_mode *mode);
f453ba04
DA
916extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
917 int adjust_flags);
918extern void drm_mode_connector_list_update(struct drm_connector *connector);
919extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
920 struct edid *edid);
921extern int drm_connector_property_set_value(struct drm_connector *connector,
922 struct drm_property *property,
923 uint64_t value);
924extern int drm_connector_property_get_value(struct drm_connector *connector,
925 struct drm_property *property,
926 uint64_t *value);
c543188a
PZ
927extern int drm_object_property_set_value(struct drm_mode_object *obj,
928 struct drm_property *property,
929 uint64_t val);
930extern int drm_object_property_get_value(struct drm_mode_object *obj,
931 struct drm_property *property,
932 uint64_t *value);
f453ba04
DA
933extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
934extern void drm_framebuffer_set_object(struct drm_device *dev,
935 unsigned long handle);
936extern int drm_framebuffer_init(struct drm_device *dev,
937 struct drm_framebuffer *fb,
938 const struct drm_framebuffer_funcs *funcs);
f7eff60e
RC
939extern void drm_framebuffer_unreference(struct drm_framebuffer *fb);
940extern void drm_framebuffer_reference(struct drm_framebuffer *fb);
941extern void drm_framebuffer_remove(struct drm_framebuffer *fb);
f453ba04
DA
942extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
943extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
944extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
945extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY);
946extern bool drm_crtc_in_use(struct drm_crtc *crtc);
947
afea2ad5
PZ
948extern void drm_connector_attach_property(struct drm_connector *connector,
949 struct drm_property *property, uint64_t init_val);
c543188a
PZ
950extern void drm_object_attach_property(struct drm_mode_object *obj,
951 struct drm_property *property,
952 uint64_t init_val);
f453ba04
DA
953extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
954 const char *name, int num_values);
4a67d391
SH
955extern struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags,
956 const char *name,
49e27545
RC
957 const struct drm_prop_enum_list *props,
958 int num_values);
959struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
960 int flags, const char *name,
4a67d391
SH
961 const struct drm_prop_enum_list *props,
962 int num_values);
d9bc3c02
SH
963struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
964 const char *name,
965 uint64_t min, uint64_t max);
f453ba04
DA
966extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
967extern int drm_property_add_enum(struct drm_property *property, int index,
968 uint64_t value, const char *name);
969extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
970extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats,
971 char *formats[]);
972extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
973extern int drm_mode_create_dithering_property(struct drm_device *dev);
884840aa 974extern int drm_mode_create_dirty_info_property(struct drm_device *dev);
f453ba04
DA
975extern char *drm_get_encoder_name(struct drm_encoder *encoder);
976
977extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
978 struct drm_encoder *encoder);
979extern void drm_mode_connector_detach_encoder(struct drm_connector *connector,
980 struct drm_encoder *encoder);
4cae5b84 981extern int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
f453ba04 982 int gamma_size);
7a9c9060
DV
983extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
984 uint32_t id, uint32_t type);
f453ba04
DA
985/* IOCTLs */
986extern int drm_mode_getresources(struct drm_device *dev,
987 void *data, struct drm_file *file_priv);
8cf5c917
JB
988extern int drm_mode_getplane_res(struct drm_device *dev, void *data,
989 struct drm_file *file_priv);
f453ba04
DA
990extern int drm_mode_getcrtc(struct drm_device *dev,
991 void *data, struct drm_file *file_priv);
992extern int drm_mode_getconnector(struct drm_device *dev,
993 void *data, struct drm_file *file_priv);
994extern int drm_mode_setcrtc(struct drm_device *dev,
995 void *data, struct drm_file *file_priv);
8cf5c917
JB
996extern int drm_mode_getplane(struct drm_device *dev,
997 void *data, struct drm_file *file_priv);
998extern int drm_mode_setplane(struct drm_device *dev,
999 void *data, struct drm_file *file_priv);
f453ba04
DA
1000extern int drm_mode_cursor_ioctl(struct drm_device *dev,
1001 void *data, struct drm_file *file_priv);
1002extern int drm_mode_addfb(struct drm_device *dev,
1003 void *data, struct drm_file *file_priv);
308e5bcb
JB
1004extern int drm_mode_addfb2(struct drm_device *dev,
1005 void *data, struct drm_file *file_priv);
1006extern uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth);
f453ba04
DA
1007extern int drm_mode_rmfb(struct drm_device *dev,
1008 void *data, struct drm_file *file_priv);
1009extern int drm_mode_getfb(struct drm_device *dev,
1010 void *data, struct drm_file *file_priv);
884840aa
JB
1011extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
1012 void *data, struct drm_file *file_priv);
f453ba04
DA
1013extern int drm_mode_addmode_ioctl(struct drm_device *dev,
1014 void *data, struct drm_file *file_priv);
1015extern int drm_mode_rmmode_ioctl(struct drm_device *dev,
1016 void *data, struct drm_file *file_priv);
1017extern int drm_mode_attachmode_ioctl(struct drm_device *dev,
1018 void *data, struct drm_file *file_priv);
1019extern int drm_mode_detachmode_ioctl(struct drm_device *dev,
1020 void *data, struct drm_file *file_priv);
1021
1022extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
1023 void *data, struct drm_file *file_priv);
1024extern int drm_mode_getblob_ioctl(struct drm_device *dev,
1025 void *data, struct drm_file *file_priv);
1026extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
1027 void *data, struct drm_file *file_priv);
1028extern int drm_mode_hotplug_ioctl(struct drm_device *dev,
1029 void *data, struct drm_file *file_priv);
1030extern int drm_mode_replacefb(struct drm_device *dev,
1031 void *data, struct drm_file *file_priv);
1032extern int drm_mode_getencoder(struct drm_device *dev,
1033 void *data, struct drm_file *file_priv);
1034extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
1035 void *data, struct drm_file *file_priv);
1036extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
1037 void *data, struct drm_file *file_priv);
eccaca28 1038extern u8 *drm_find_cea_extension(struct edid *edid);
f23c20c8 1039extern bool drm_detect_hdmi_monitor(struct edid *edid);
8fe9790d 1040extern bool drm_detect_monitor_audio(struct edid *edid);
d91d8a3f
KH
1041extern int drm_mode_page_flip_ioctl(struct drm_device *dev,
1042 void *data, struct drm_file *file_priv);
d782c3f9
ZY
1043extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
1044 int hdisplay, int vdisplay, int vrefresh,
d50ba256 1045 bool reduced, bool interlaced, bool margins);
26bbdada
ZY
1046extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
1047 int hdisplay, int vdisplay, int vrefresh,
1048 bool interlaced, int margins);
7a374350
AJ
1049extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev,
1050 int hdisplay, int vdisplay, int vrefresh,
1051 bool interlaced, int margins, int GTF_M,
1052 int GTF_2C, int GTF_K, int GTF_2J);
f0fda0a4
ZY
1053extern int drm_add_modes_noedid(struct drm_connector *connector,
1054 int hdisplay, int vdisplay);
3c537889 1055
051963d4 1056extern int drm_edid_header_is_valid(const u8 *raw_edid);
0b2443ed 1057extern bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid);
3c537889 1058extern bool drm_edid_is_valid(struct edid *edid);
1d42bbc8 1059struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
f6e252ba
AJ
1060 int hsize, int vsize, int fresh,
1061 bool rb);
ff72145b
DA
1062
1063extern int drm_mode_create_dumb_ioctl(struct drm_device *dev,
1064 void *data, struct drm_file *file_priv);
1065extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
1066 void *data, struct drm_file *file_priv);
1067extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
1068 void *data, struct drm_file *file_priv);
c543188a
PZ
1069extern int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
1070 struct drm_file *file_priv);
1071extern int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
1072 struct drm_file *file_priv);
248dbc23
DA
1073
1074extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
1075 int *bpp);
141670e9 1076extern int drm_format_num_planes(uint32_t format);
5a86bd55 1077extern int drm_format_plane_cpp(uint32_t format, int plane);
01b68b04
VS
1078extern int drm_format_horz_chroma_subsampling(uint32_t format);
1079extern int drm_format_vert_chroma_subsampling(uint32_t format);
141670e9 1080
f453ba04 1081#endif /* __DRM_CRTC_H__ */