1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
2 /**************************************************************************
3 *
4 * Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28 #ifndef VMWGFX_KMS_H_
29 #define VMWGFX_KMS_H_
30
31 #include <drm/drm_encoder.h>
32 #include <drm/drm_probe_helper.h>
33
34 #include "vmwgfx_drv.h"
35
36 /**
37 * struct vmw_du_update_plane - Closure structure for vmw_du_helper_plane_update
38 * @plane: Plane which is being updated.
39 * @old_state: Old state of plane.
40 * @dev_priv: Device private.
41 * @du: Display unit on which to update the plane.
42 * @vfb: Framebuffer which is blitted to display unit.
43 * @out_fence: Out fence for resource finish.
44 * @mutex: The mutex used to protect resource reservation.
45 * @cpu_blit: True if need cpu blit.
46 * @intr: Whether to perform waits interruptible if possible.
47 *
48 * This structure loosely represent the set of operations needed to perform a
49 * plane update on a display unit. Implementer will define that functionality
50 * according to the function callbacks for this structure. In brief it involves
51 * surface/buffer object validation, populate FIFO commands and command
52 * submission to the device.
53 */
54 struct vmw_du_update_plane {
55 /**
56 * @calc_fifo_size: Calculate fifo size.
57 *
58 * Determine fifo size for the commands needed for update. The number of
59 * damage clips on display unit @num_hits will be passed to allocate
60 * sufficient fifo space.
61 *
62 * Return: Fifo size needed
63 */
64 uint32_t (*calc_fifo_size)(struct vmw_du_update_plane *update,
65 uint32_t num_hits);
66
67 /**
68 * @post_prepare: Populate fifo for resource preparation.
69 *
70 * Some surface resource or buffer object need some extra cmd submission
71 * like update GB image for proxy surface and define a GMRFB for screen
72 * object. That should should be done here as this callback will be
73 * called after FIFO allocation with the address of command buufer.
74 *
75 * This callback is optional.
76 *
77 * Return: Size of commands populated to command buffer.
78 */
79 uint32_t (*post_prepare)(struct vmw_du_update_plane *update, void *cmd);
80
81 /**
82 * @pre_clip: Populate fifo before clip.
83 *
84 * This is where pre clip related command should be populated like
85 * surface copy/DMA, etc.
86 *
87 * This callback is optional.
88 *
89 * Return: Size of commands populated to command buffer.
90 */
91 uint32_t (*pre_clip)(struct vmw_du_update_plane *update, void *cmd,
92 uint32_t num_hits);
93
94 /**
95 * @clip: Populate fifo for clip.
96 *
97 * This is where to populate clips for surface copy/dma or blit commands
98 * if needed. This will be called times have damage in display unit,
99 * which is one if doing full update. @clip is the damage in destination
100 * coordinates which is crtc/DU and @src_x, @src_y is damage clip src in
101 * framebuffer coordinate.
102 *
103 * This callback is optional.
104 *
105 * Return: Size of commands populated to command buffer.
106 */
107 uint32_t (*clip)(struct vmw_du_update_plane *update, void *cmd,
108 struct drm_rect *clip, uint32_t src_x, uint32_t src_y);
109
110 /**
111 * @post_clip: Populate fifo after clip.
112 *
113 * This is where to populate display unit update commands or blit
114 * commands.
115 *
116 * Return: Size of commands populated to command buffer.
117 */
118 uint32_t (*post_clip)(struct vmw_du_update_plane *update, void *cmd,
119 struct drm_rect *bb);
120
121 struct drm_plane *plane;
122 struct drm_plane_state *old_state;
123 struct vmw_private *dev_priv;
124 struct vmw_display_unit *du;
125 struct vmw_framebuffer *vfb;
126 struct vmw_fence_obj **out_fence;
127 struct mutex *mutex;
128 bool cpu_blit;
129 bool intr;
130 };
131
132 /**
133 * struct vmw_du_update_plane_surface - closure structure for surface
134 * @base: base closure structure.
135 * @cmd_start: FIFO command start address (used by SOU only).
136 */
137 struct vmw_du_update_plane_surface {
138 struct vmw_du_update_plane base;
139 /* This member is to handle special case SOU surface update */
140 void *cmd_start;
141 };
142
143 /**
144 * struct vmw_du_update_plane_buffer - Closure structure for buffer object
145 * @base: Base closure structure.
146 * @fb_left: x1 for fb damage bounding box.
147 * @fb_top: y1 for fb damage bounding box.
148 */
149 struct vmw_du_update_plane_buffer {
150 struct vmw_du_update_plane base;
151 int fb_left, fb_top;
152 };
153
154 /**
155 * struct vmw_kms_dirty - closure structure for the vmw_kms_helper_dirty
156 * function.
157 *
158 * @fifo_commit: Callback that is called once for each display unit after
159 * all clip rects. This function must commit the fifo space reserved by the
160 * helper. Set up by the caller.
161 * @clip: Callback that is called for each cliprect on each display unit.
162 * Set up by the caller.
163 * @fifo_reserve_size: Fifo size that the helper should try to allocat for
164 * each display unit. Set up by the caller.
165 * @dev_priv: Pointer to the device private. Set up by the helper.
166 * @unit: The current display unit. Set up by the helper before a call to @clip.
167 * @cmd: The allocated fifo space. Set up by the helper before the first @clip
168 * call.
169 * @crtc: The crtc for which to build dirty commands.
170 * @num_hits: Number of clip rect commands for this display unit.
171 * Cleared by the helper before the first @clip call. Updated by the @clip
172 * callback.
173 * @fb_x: Clip rect left side in framebuffer coordinates.
174 * @fb_y: Clip rect right side in framebuffer coordinates.
175 * @unit_x1: Clip rect left side in crtc coordinates.
176 * @unit_y1: Clip rect top side in crtc coordinates.
177 * @unit_x2: Clip rect right side in crtc coordinates.
178 * @unit_y2: Clip rect bottom side in crtc coordinates.
179 *
180 * The clip rect coordinates are updated by the helper for each @clip call.
181 * Note that this may be derived from if more info needs to be passed between
182 * helper caller and helper callbacks.
183 */
184 struct vmw_kms_dirty {
185 void (*fifo_commit)(struct vmw_kms_dirty *);
186 void (*clip)(struct vmw_kms_dirty *);
187 size_t fifo_reserve_size;
188 struct vmw_private *dev_priv;
189 struct vmw_display_unit *unit;
190 void *cmd;
191 struct drm_crtc *crtc;
192 u32 num_hits;
193 s32 fb_x;
194 s32 fb_y;
195 s32 unit_x1;
196 s32 unit_y1;
197 s32 unit_x2;
198 s32 unit_y2;
199 };
200
201 #define VMWGFX_NUM_DISPLAY_UNITS 8
202
203
204 #define vmw_framebuffer_to_vfb(x) \
205 container_of(x, struct vmw_framebuffer, base)
206 #define vmw_framebuffer_to_vfbs(x) \
207 container_of(x, struct vmw_framebuffer_surface, base.base)
208 #define vmw_framebuffer_to_vfbd(x) \
209 container_of(x, struct vmw_framebuffer_bo, base.base)
210
211 /**
212 * Base class for framebuffers
213 *
214 * @pin is called the when ever a crtc uses this framebuffer
215 * @unpin is called
216 */
217 struct vmw_framebuffer {
218 struct drm_framebuffer base;
219 int (*pin)(struct vmw_framebuffer *fb);
220 int (*unpin)(struct vmw_framebuffer *fb);
221 bool bo;
222 struct ttm_base_object *user_obj;
223 uint32_t user_handle;
224 };
225
226 /*
227 * Clip rectangle
228 */
229 struct vmw_clip_rect {
230 int x1, x2, y1, y2;
231 };
232
233 struct vmw_framebuffer_surface {
234 struct vmw_framebuffer base;
235 struct vmw_surface *surface;
236 struct vmw_buffer_object *buffer;
237 struct list_head head;
238 bool is_bo_proxy; /* true if this is proxy surface for DMA buf */
239 };
240
241
242 struct vmw_framebuffer_bo {
243 struct vmw_framebuffer base;
244 struct vmw_buffer_object *buffer;
245 };
246
247
248 static const uint32_t vmw_primary_plane_formats[] = {
249 DRM_FORMAT_XRGB1555,
250 DRM_FORMAT_RGB565,
251 DRM_FORMAT_RGB888,
252 DRM_FORMAT_XRGB8888,
253 DRM_FORMAT_ARGB8888,
254 };
255
256 static const uint32_t vmw_cursor_plane_formats[] = {
257 DRM_FORMAT_ARGB8888,
258 };
259
260
261 #define vmw_crtc_state_to_vcs(x) container_of(x, struct vmw_crtc_state, base)
262 #define vmw_plane_state_to_vps(x) container_of(x, struct vmw_plane_state, base)
263 #define vmw_connector_state_to_vcs(x) \
264 container_of(x, struct vmw_connector_state, base)
265
266 /**
267 * Derived class for crtc state object
268 *
269 * @base DRM crtc object
270 */
271 struct vmw_crtc_state {
272 struct drm_crtc_state base;
273 };
274
275 /**
276 * Derived class for plane state object
277 *
278 * @base DRM plane object
279 * @surf Display surface for STDU
280 * @bo display bo for SOU
281 * @content_fb_type Used by STDU.
282 * @bo_size Size of the bo, used by Screen Object Display Unit
283 * @pinned pin count for STDU display surface
284 */
285 struct vmw_plane_state {
286 struct drm_plane_state base;
287 struct vmw_surface *surf;
288 struct vmw_buffer_object *bo;
289
290 int content_fb_type;
291 unsigned long bo_size;
292
293 int pinned;
294
295 /* For CPU Blit */
296 unsigned int cpp;
297 };
298
299
300 /**
301 * Derived class for connector state object
302 *
303 * @base DRM connector object
304 * @is_implicit connector property
305 *
306 */
307 struct vmw_connector_state {
308 struct drm_connector_state base;
309
310 /**
311 * @gui_x:
312 *
313 * vmwgfx connector property representing the x position of this display
314 * unit (connector is synonymous to display unit) in overall topology.
315 * This is what the device expect as xRoot while creating screen.
316 */
317 int gui_x;
318
319 /**
320 * @gui_y:
321 *
322 * vmwgfx connector property representing the y position of this display
323 * unit (connector is synonymous to display unit) in overall topology.
324 * This is what the device expect as yRoot while creating screen.
325 */
326 int gui_y;
327 };
328
329 /**
330 * Base class display unit.
331 *
332 * Since the SVGA hw doesn't have a concept of a crtc, encoder or connector
333 * so the display unit is all of them at the same time. This is true for both
334 * legacy multimon and screen objects.
335 */
336 struct vmw_display_unit {
337 struct drm_crtc crtc;
338 struct drm_encoder encoder;
339 struct drm_connector connector;
340 struct drm_plane primary;
341 struct drm_plane cursor;
342
343 struct vmw_surface *cursor_surface;
344 struct vmw_buffer_object *cursor_bo;
345 size_t cursor_age;
346
347 int cursor_x;
348 int cursor_y;
349
350 int hotspot_x;
351 int hotspot_y;
352 s32 core_hotspot_x;
353 s32 core_hotspot_y;
354
355 unsigned unit;
356
357 /*
358 * Prefered mode tracking.
359 */
360 unsigned pref_width;
361 unsigned pref_height;
362 bool pref_active;
363 struct drm_display_mode *pref_mode;
364
365 /*
366 * Gui positioning
367 */
368 int gui_x;
369 int gui_y;
370 bool is_implicit;
371 int set_gui_x;
372 int set_gui_y;
373 };
374
375 struct vmw_validation_ctx {
376 struct vmw_resource *res;
377 struct vmw_buffer_object *buf;
378 };
379
380 #define vmw_crtc_to_du(x) \
381 container_of(x, struct vmw_display_unit, crtc)
382 #define vmw_connector_to_du(x) \
383 container_of(x, struct vmw_display_unit, connector)
384
385
386 /*
387 * Shared display unit functions - vmwgfx_kms.c
388 */
389 void vmw_du_cleanup(struct vmw_display_unit *du);
390 void vmw_du_crtc_save(struct drm_crtc *crtc);
391 void vmw_du_crtc_restore(struct drm_crtc *crtc);
392 int vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
393 u16 *r, u16 *g, u16 *b,
394 uint32_t size,
395 struct drm_modeset_acquire_ctx *ctx);
396 int vmw_du_connector_set_property(struct drm_connector *connector,
397 struct drm_property *property,
398 uint64_t val);
399 int vmw_du_connector_atomic_set_property(struct drm_connector *connector,
400 struct drm_connector_state *state,
401 struct drm_property *property,
402 uint64_t val);
403 int
404 vmw_du_connector_atomic_get_property(struct drm_connector *connector,
405 const struct drm_connector_state *state,
406 struct drm_property *property,
407 uint64_t *val);
408 int vmw_du_connector_dpms(struct drm_connector *connector, int mode);
409 void vmw_du_connector_save(struct drm_connector *connector);
410 void vmw_du_connector_restore(struct drm_connector *connector);
411 enum drm_connector_status
412 vmw_du_connector_detect(struct drm_connector *connector, bool force);
413 int vmw_du_connector_fill_modes(struct drm_connector *connector,
414 uint32_t max_width, uint32_t max_height);
415 int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
416 struct vmw_framebuffer *framebuffer,
417 const struct drm_clip_rect *clips,
418 const struct drm_vmw_rect *vclips,
419 s32 dest_x, s32 dest_y,
420 int num_clips,
421 int increment,
422 struct vmw_kms_dirty *dirty);
423
424 void vmw_kms_helper_validation_finish(struct vmw_private *dev_priv,
425 struct drm_file *file_priv,
426 struct vmw_validation_context *ctx,
427 struct vmw_fence_obj **out_fence,
428 struct drm_vmw_fence_rep __user *
429 user_fence_rep);
430 int vmw_kms_readback(struct vmw_private *dev_priv,
431 struct drm_file *file_priv,
432 struct vmw_framebuffer *vfb,
433 struct drm_vmw_fence_rep __user *user_fence_rep,
434 struct drm_vmw_rect *vclips,
435 uint32_t num_clips);
436 struct vmw_framebuffer *
437 vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
438 struct vmw_buffer_object *bo,
439 struct vmw_surface *surface,
440 bool only_2d,
441 const struct drm_mode_fb_cmd2 *mode_cmd);
442 int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv,
443 unsigned unit,
444 u32 max_width,
445 u32 max_height,
446 struct drm_connector **p_con,
447 struct drm_crtc **p_crtc,
448 struct drm_display_mode **p_mode);
449 void vmw_guess_mode_timing(struct drm_display_mode *mode);
450 void vmw_kms_update_implicit_fb(struct vmw_private *dev_priv);
451 void vmw_kms_create_implicit_placement_property(struct vmw_private *dev_priv);
452
453 /* Universal Plane Helpers */
454 void vmw_du_primary_plane_destroy(struct drm_plane *plane);
455 void vmw_du_cursor_plane_destroy(struct drm_plane *plane);
456
457 /* Atomic Helpers */
458 int vmw_du_primary_plane_atomic_check(struct drm_plane *plane,
459 struct drm_plane_state *state);
460 int vmw_du_cursor_plane_atomic_check(struct drm_plane *plane,
461 struct drm_plane_state *state);
462 void vmw_du_cursor_plane_atomic_update(struct drm_plane *plane,
463 struct drm_plane_state *old_state);
464 int vmw_du_cursor_plane_prepare_fb(struct drm_plane *plane,
465 struct drm_plane_state *new_state);
466 void vmw_du_plane_cleanup_fb(struct drm_plane *plane,
467 struct drm_plane_state *old_state);
468 void vmw_du_plane_reset(struct drm_plane *plane);
469 struct drm_plane_state *vmw_du_plane_duplicate_state(struct drm_plane *plane);
470 void vmw_du_plane_destroy_state(struct drm_plane *plane,
471 struct drm_plane_state *state);
472 void vmw_du_plane_unpin_surf(struct vmw_plane_state *vps,
473 bool unreference);
474
475 int vmw_du_crtc_atomic_check(struct drm_crtc *crtc,
476 struct drm_crtc_state *state);
477 void vmw_du_crtc_atomic_begin(struct drm_crtc *crtc,
478 struct drm_crtc_state *old_crtc_state);
479 void vmw_du_crtc_atomic_flush(struct drm_crtc *crtc,
480 struct drm_crtc_state *old_crtc_state);
481 void vmw_du_crtc_reset(struct drm_crtc *crtc);
482 struct drm_crtc_state *vmw_du_crtc_duplicate_state(struct drm_crtc *crtc);
483 void vmw_du_crtc_destroy_state(struct drm_crtc *crtc,
484 struct drm_crtc_state *state);
485 void vmw_du_connector_reset(struct drm_connector *connector);
486 struct drm_connector_state *
487 vmw_du_connector_duplicate_state(struct drm_connector *connector);
488
489 void vmw_du_connector_destroy_state(struct drm_connector *connector,
490 struct drm_connector_state *state);
491
492 /*
493 * Legacy display unit functions - vmwgfx_ldu.c
494 */
495 int vmw_kms_ldu_init_display(struct vmw_private *dev_priv);
496 int vmw_kms_ldu_close_display(struct vmw_private *dev_priv);
497 int vmw_kms_ldu_do_bo_dirty(struct vmw_private *dev_priv,
498 struct vmw_framebuffer *framebuffer,
499 unsigned int flags, unsigned int color,
500 struct drm_clip_rect *clips,
501 unsigned int num_clips, int increment);
502 int vmw_kms_update_proxy(struct vmw_resource *res,
503 const struct drm_clip_rect *clips,
504 unsigned num_clips,
505 int increment);
506
507 /*
508 * Screen Objects display functions - vmwgfx_scrn.c
509 */
510 int vmw_kms_sou_init_display(struct vmw_private *dev_priv);
511 int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv,
512 struct vmw_framebuffer *framebuffer,
513 struct drm_clip_rect *clips,
514 struct drm_vmw_rect *vclips,
515 struct vmw_resource *srf,
516 s32 dest_x,
517 s32 dest_y,
518 unsigned num_clips, int inc,
519 struct vmw_fence_obj **out_fence,
520 struct drm_crtc *crtc);
521 int vmw_kms_sou_do_bo_dirty(struct vmw_private *dev_priv,
522 struct vmw_framebuffer *framebuffer,
523 struct drm_clip_rect *clips,
524 struct drm_vmw_rect *vclips,
525 unsigned int num_clips, int increment,
526 bool interruptible,
527 struct vmw_fence_obj **out_fence,
528 struct drm_crtc *crtc);
529 int vmw_kms_sou_readback(struct vmw_private *dev_priv,
530 struct drm_file *file_priv,
531 struct vmw_framebuffer *vfb,
532 struct drm_vmw_fence_rep __user *user_fence_rep,
533 struct drm_vmw_rect *vclips,
534 uint32_t num_clips,
535 struct drm_crtc *crtc);
536
537 /*
538 * Screen Target Display Unit functions - vmwgfx_stdu.c
539 */
540 int vmw_kms_stdu_init_display(struct vmw_private *dev_priv);
541 int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv,
542 struct vmw_framebuffer *framebuffer,
543 struct drm_clip_rect *clips,
544 struct drm_vmw_rect *vclips,
545 struct vmw_resource *srf,
546 s32 dest_x,
547 s32 dest_y,
548 unsigned num_clips, int inc,
549 struct vmw_fence_obj **out_fence,
550 struct drm_crtc *crtc);
551 int vmw_kms_stdu_dma(struct vmw_private *dev_priv,
552 struct drm_file *file_priv,
553 struct vmw_framebuffer *vfb,
554 struct drm_vmw_fence_rep __user *user_fence_rep,
555 struct drm_clip_rect *clips,
556 struct drm_vmw_rect *vclips,
557 uint32_t num_clips,
558 int increment,
559 bool to_surface,
560 bool interruptible,
561 struct drm_crtc *crtc);
562
563 int vmw_du_helper_plane_update(struct vmw_du_update_plane *update);
564
565 /**
566 * vmw_du_translate_to_crtc - Translate a rect from framebuffer to crtc
567 * @state: Plane state.
568 * @r: Rectangle to translate.
569 */
vmw_du_translate_to_crtc(struct drm_plane_state * state,struct drm_rect * r)570 static inline void vmw_du_translate_to_crtc(struct drm_plane_state *state,
571 struct drm_rect *r)
572 {
573 int translate_crtc_x = -((state->src_x >> 16) - state->crtc_x);
574 int translate_crtc_y = -((state->src_y >> 16) - state->crtc_y);
575
576 drm_rect_translate(r, translate_crtc_x, translate_crtc_y);
577 }
578
579 #endif
580