1 /**************************************************************************
3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
28 #include "vmwgfx_kms.h"
30 #define vmw_crtc_to_ldu(x) \
31 container_of(x, struct vmw_legacy_display_unit, base.crtc)
32 #define vmw_encoder_to_ldu(x) \
33 container_of(x, struct vmw_legacy_display_unit, base.encoder)
34 #define vmw_connector_to_ldu(x) \
35 container_of(x, struct vmw_legacy_display_unit, base.connector)
37 struct vmw_legacy_display
{
38 struct list_head active
;
41 unsigned last_num_active
;
43 struct vmw_framebuffer
*fb
;
47 * Display unit using the legacy register interface.
49 struct vmw_legacy_display_unit
{
50 struct vmw_display_unit base
;
55 struct drm_display_mode
*pref_mode
;
57 struct list_head active
;
60 static void vmw_ldu_destroy(struct vmw_legacy_display_unit
*ldu
)
62 list_del_init(&ldu
->active
);
63 vmw_display_unit_cleanup(&ldu
->base
);
69 * Legacy Display Unit CRTC functions
72 static void vmw_ldu_crtc_save(struct drm_crtc
*crtc
)
76 static void vmw_ldu_crtc_restore(struct drm_crtc
*crtc
)
80 static void vmw_ldu_crtc_gamma_set(struct drm_crtc
*crtc
,
81 u16
*r
, u16
*g
, u16
*b
,
82 uint32_t start
, uint32_t size
)
86 static void vmw_ldu_crtc_destroy(struct drm_crtc
*crtc
)
88 vmw_ldu_destroy(vmw_crtc_to_ldu(crtc
));
91 static int vmw_ldu_commit_list(struct vmw_private
*dev_priv
)
93 struct vmw_legacy_display
*lds
= dev_priv
->ldu_priv
;
94 struct vmw_legacy_display_unit
*entry
;
95 struct drm_framebuffer
*fb
= NULL
;
96 struct drm_crtc
*crtc
= NULL
;
99 /* If there is no display topology the host just assumes
100 * that the guest will set the same layout as the host.
102 if (!(dev_priv
->capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
)) {
104 list_for_each_entry(entry
, &lds
->active
, active
) {
105 crtc
= &entry
->base
.crtc
;
106 w
= max(w
, crtc
->x
+ crtc
->mode
.hdisplay
);
107 h
= max(h
, crtc
->y
+ crtc
->mode
.vdisplay
);
113 fb
= entry
->base
.crtc
.fb
;
115 vmw_kms_write_svga(dev_priv
, w
, h
, fb
->pitch
,
116 fb
->bits_per_pixel
, fb
->depth
);
121 if (!list_empty(&lds
->active
)) {
122 entry
= list_entry(lds
->active
.next
, typeof(*entry
), active
);
123 fb
= entry
->base
.crtc
.fb
;
125 vmw_kms_write_svga(dev_priv
, fb
->width
, fb
->height
, fb
->pitch
,
126 fb
->bits_per_pixel
, fb
->depth
);
129 /* Make sure we always show something. */
130 vmw_write(dev_priv
, SVGA_REG_NUM_GUEST_DISPLAYS
,
131 lds
->num_active
? lds
->num_active
: 1);
134 list_for_each_entry(entry
, &lds
->active
, active
) {
135 crtc
= &entry
->base
.crtc
;
137 vmw_write(dev_priv
, SVGA_REG_DISPLAY_ID
, i
);
138 vmw_write(dev_priv
, SVGA_REG_DISPLAY_IS_PRIMARY
, !i
);
139 vmw_write(dev_priv
, SVGA_REG_DISPLAY_POSITION_X
, crtc
->x
);
140 vmw_write(dev_priv
, SVGA_REG_DISPLAY_POSITION_Y
, crtc
->y
);
141 vmw_write(dev_priv
, SVGA_REG_DISPLAY_WIDTH
, crtc
->mode
.hdisplay
);
142 vmw_write(dev_priv
, SVGA_REG_DISPLAY_HEIGHT
, crtc
->mode
.vdisplay
);
143 vmw_write(dev_priv
, SVGA_REG_DISPLAY_ID
, SVGA_ID_INVALID
);
148 BUG_ON(i
!= lds
->num_active
);
150 lds
->last_num_active
= lds
->num_active
;
155 static int vmw_ldu_del_active(struct vmw_private
*vmw_priv
,
156 struct vmw_legacy_display_unit
*ldu
)
158 struct vmw_legacy_display
*ld
= vmw_priv
->ldu_priv
;
159 if (list_empty(&ldu
->active
))
162 /* Must init otherwise list_empty(&ldu->active) will not work. */
163 list_del_init(&ldu
->active
);
164 if (--(ld
->num_active
) == 0) {
167 ld
->fb
->unpin(ld
->fb
);
174 static int vmw_ldu_add_active(struct vmw_private
*vmw_priv
,
175 struct vmw_legacy_display_unit
*ldu
,
176 struct vmw_framebuffer
*vfb
)
178 struct vmw_legacy_display
*ld
= vmw_priv
->ldu_priv
;
179 struct vmw_legacy_display_unit
*entry
;
180 struct list_head
*at
;
182 BUG_ON(!ld
->num_active
&& ld
->fb
);
184 if (ld
->fb
&& ld
->fb
->unpin
)
185 ld
->fb
->unpin(ld
->fb
);
191 if (!list_empty(&ldu
->active
))
195 list_for_each_entry(entry
, &ld
->active
, active
) {
196 if (entry
->base
.unit
> ldu
->base
.unit
)
202 list_add(&ldu
->active
, at
);
209 static int vmw_ldu_crtc_set_config(struct drm_mode_set
*set
)
211 struct vmw_private
*dev_priv
;
212 struct vmw_legacy_display_unit
*ldu
;
213 struct drm_connector
*connector
;
214 struct drm_display_mode
*mode
;
215 struct drm_encoder
*encoder
;
216 struct vmw_framebuffer
*vfb
;
217 struct drm_framebuffer
*fb
;
218 struct drm_crtc
*crtc
;
228 ldu
= vmw_crtc_to_ldu(crtc
);
229 vfb
= set
->fb
? vmw_framebuffer_to_vfb(set
->fb
) : NULL
;
230 dev_priv
= vmw_priv(crtc
->dev
);
232 if (set
->num_connectors
> 1) {
233 DRM_ERROR("to many connectors\n");
237 if (set
->num_connectors
== 1 &&
238 set
->connectors
[0] != &ldu
->base
.connector
) {
239 DRM_ERROR("connector doesn't match %p %p\n",
240 set
->connectors
[0], &ldu
->base
.connector
);
244 /* ldu only supports one fb active at the time */
245 if (dev_priv
->ldu_priv
->fb
&& vfb
&&
246 !(dev_priv
->ldu_priv
->num_active
== 1 &&
247 !list_empty(&ldu
->active
)) &&
248 dev_priv
->ldu_priv
->fb
!= vfb
) {
249 DRM_ERROR("Multiple framebuffers not supported\n");
253 /* since they always map one to one these are safe */
254 connector
= &ldu
->base
.connector
;
255 encoder
= &ldu
->base
.encoder
;
257 /* should we turn the crtc off? */
258 if (set
->num_connectors
== 0 || !set
->mode
|| !set
->fb
) {
260 connector
->encoder
= NULL
;
261 encoder
->crtc
= NULL
;
264 vmw_ldu_del_active(dev_priv
, ldu
);
266 vmw_ldu_commit_list(dev_priv
);
272 /* we now know we want to set a mode */
276 if (set
->x
+ mode
->hdisplay
> fb
->width
||
277 set
->y
+ mode
->vdisplay
> fb
->height
) {
278 DRM_ERROR("set outside of framebuffer\n");
282 vmw_fb_off(dev_priv
);
285 encoder
->crtc
= crtc
;
286 connector
->encoder
= encoder
;
291 vmw_ldu_add_active(dev_priv
, ldu
, vfb
);
293 vmw_ldu_commit_list(dev_priv
);
298 static struct drm_crtc_funcs vmw_legacy_crtc_funcs
= {
299 .save
= vmw_ldu_crtc_save
,
300 .restore
= vmw_ldu_crtc_restore
,
301 .cursor_set
= vmw_du_crtc_cursor_set
,
302 .cursor_move
= vmw_du_crtc_cursor_move
,
303 .gamma_set
= vmw_ldu_crtc_gamma_set
,
304 .destroy
= vmw_ldu_crtc_destroy
,
305 .set_config
= vmw_ldu_crtc_set_config
,
309 * Legacy Display Unit encoder functions
312 static void vmw_ldu_encoder_destroy(struct drm_encoder
*encoder
)
314 vmw_ldu_destroy(vmw_encoder_to_ldu(encoder
));
317 static struct drm_encoder_funcs vmw_legacy_encoder_funcs
= {
318 .destroy
= vmw_ldu_encoder_destroy
,
322 * Legacy Display Unit connector functions
325 static void vmw_ldu_connector_dpms(struct drm_connector
*connector
, int mode
)
329 static void vmw_ldu_connector_save(struct drm_connector
*connector
)
333 static void vmw_ldu_connector_restore(struct drm_connector
*connector
)
337 static enum drm_connector_status
338 vmw_ldu_connector_detect(struct drm_connector
*connector
,
341 if (vmw_connector_to_ldu(connector
)->pref_active
)
342 return connector_status_connected
;
343 return connector_status_disconnected
;
346 static struct drm_display_mode vmw_ldu_connector_builtin
[] = {
348 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 25175, 640, 656,
349 752, 800, 0, 480, 489, 492, 525, 0,
350 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
352 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 40000, 800, 840,
353 968, 1056, 0, 600, 601, 605, 628, 0,
354 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
356 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 65000, 1024, 1048,
357 1184, 1344, 0, 768, 771, 777, 806, 0,
358 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
360 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER
, 108000, 1152, 1216,
361 1344, 1600, 0, 864, 865, 868, 900, 0,
362 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
364 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER
, 79500, 1280, 1344,
365 1472, 1664, 0, 768, 771, 778, 798, 0,
366 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
368 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER
, 83500, 1280, 1352,
369 1480, 1680, 0, 800, 803, 809, 831, 0,
370 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
372 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER
, 108000, 1280, 1376,
373 1488, 1800, 0, 960, 961, 964, 1000, 0,
374 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
376 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER
, 108000, 1280, 1328,
377 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
378 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
380 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER
, 85500, 1360, 1424,
381 1536, 1792, 0, 768, 771, 777, 795, 0,
382 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
384 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER
, 121750, 1400, 1488,
385 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
386 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
388 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER
, 106500, 1440, 1520,
389 1672, 1904, 0, 900, 903, 909, 934, 0,
390 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
392 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER
, 162000, 1600, 1664,
393 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
394 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
396 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER
, 146250, 1680, 1784,
397 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
398 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
400 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER
, 204750, 1792, 1920,
401 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
402 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
404 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER
, 218250, 1856, 1952,
405 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
406 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
408 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER
, 193250, 1920, 2056,
409 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
410 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
412 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER
, 234000, 1920, 2048,
413 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
414 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
416 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER
, 348500, 2560, 2752,
417 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
418 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
420 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
423 static int vmw_ldu_connector_fill_modes(struct drm_connector
*connector
,
424 uint32_t max_width
, uint32_t max_height
)
426 struct vmw_legacy_display_unit
*ldu
= vmw_connector_to_ldu(connector
);
427 struct drm_device
*dev
= connector
->dev
;
428 struct drm_display_mode
*mode
= NULL
;
429 struct drm_display_mode prefmode
= { DRM_MODE("preferred",
430 DRM_MODE_TYPE_DRIVER
| DRM_MODE_TYPE_PREFERRED
,
431 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
432 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
)
436 /* Add preferred mode */
438 mode
= drm_mode_duplicate(dev
, &prefmode
);
441 mode
->hdisplay
= ldu
->pref_width
;
442 mode
->vdisplay
= ldu
->pref_height
;
443 mode
->vrefresh
= drm_mode_vrefresh(mode
);
444 drm_mode_probed_add(connector
, mode
);
446 if (ldu
->pref_mode
) {
447 list_del_init(&ldu
->pref_mode
->head
);
448 drm_mode_destroy(dev
, ldu
->pref_mode
);
451 ldu
->pref_mode
= mode
;
454 for (i
= 0; vmw_ldu_connector_builtin
[i
].type
!= 0; i
++) {
455 if (vmw_ldu_connector_builtin
[i
].hdisplay
> max_width
||
456 vmw_ldu_connector_builtin
[i
].vdisplay
> max_height
)
459 mode
= drm_mode_duplicate(dev
, &vmw_ldu_connector_builtin
[i
]);
462 mode
->vrefresh
= drm_mode_vrefresh(mode
);
464 drm_mode_probed_add(connector
, mode
);
467 drm_mode_connector_list_update(connector
);
472 static int vmw_ldu_connector_set_property(struct drm_connector
*connector
,
473 struct drm_property
*property
,
479 static void vmw_ldu_connector_destroy(struct drm_connector
*connector
)
481 vmw_ldu_destroy(vmw_connector_to_ldu(connector
));
484 static struct drm_connector_funcs vmw_legacy_connector_funcs
= {
485 .dpms
= vmw_ldu_connector_dpms
,
486 .save
= vmw_ldu_connector_save
,
487 .restore
= vmw_ldu_connector_restore
,
488 .detect
= vmw_ldu_connector_detect
,
489 .fill_modes
= vmw_ldu_connector_fill_modes
,
490 .set_property
= vmw_ldu_connector_set_property
,
491 .destroy
= vmw_ldu_connector_destroy
,
494 static int vmw_ldu_init(struct vmw_private
*dev_priv
, unsigned unit
)
496 struct vmw_legacy_display_unit
*ldu
;
497 struct drm_device
*dev
= dev_priv
->dev
;
498 struct drm_connector
*connector
;
499 struct drm_encoder
*encoder
;
500 struct drm_crtc
*crtc
;
502 ldu
= kzalloc(sizeof(*ldu
), GFP_KERNEL
);
506 ldu
->base
.unit
= unit
;
507 crtc
= &ldu
->base
.crtc
;
508 encoder
= &ldu
->base
.encoder
;
509 connector
= &ldu
->base
.connector
;
511 INIT_LIST_HEAD(&ldu
->active
);
513 ldu
->pref_active
= (unit
== 0);
514 ldu
->pref_width
= 800;
515 ldu
->pref_height
= 600;
516 ldu
->pref_mode
= NULL
;
518 drm_connector_init(dev
, connector
, &vmw_legacy_connector_funcs
,
519 DRM_MODE_CONNECTOR_LVDS
);
520 connector
->status
= vmw_ldu_connector_detect(connector
);
522 drm_encoder_init(dev
, encoder
, &vmw_legacy_encoder_funcs
,
523 DRM_MODE_ENCODER_LVDS
);
524 drm_mode_connector_attach_encoder(connector
, encoder
);
525 encoder
->possible_crtcs
= (1 << unit
);
526 encoder
->possible_clones
= 0;
528 drm_crtc_init(dev
, crtc
, &vmw_legacy_crtc_funcs
);
530 drm_connector_attach_property(connector
,
531 dev
->mode_config
.dirty_info_property
,
537 int vmw_kms_init_legacy_display_system(struct vmw_private
*dev_priv
)
539 if (dev_priv
->ldu_priv
) {
540 DRM_INFO("ldu system already on\n");
544 dev_priv
->ldu_priv
= kmalloc(GFP_KERNEL
, sizeof(*dev_priv
->ldu_priv
));
546 if (!dev_priv
->ldu_priv
)
549 INIT_LIST_HEAD(&dev_priv
->ldu_priv
->active
);
550 dev_priv
->ldu_priv
->num_active
= 0;
551 dev_priv
->ldu_priv
->last_num_active
= 0;
552 dev_priv
->ldu_priv
->fb
= NULL
;
554 drm_mode_create_dirty_info_property(dev_priv
->dev
);
556 vmw_ldu_init(dev_priv
, 0);
557 /* for old hardware without multimon only enable one display */
558 if (dev_priv
->capabilities
& SVGA_CAP_MULTIMON
) {
559 vmw_ldu_init(dev_priv
, 1);
560 vmw_ldu_init(dev_priv
, 2);
561 vmw_ldu_init(dev_priv
, 3);
562 vmw_ldu_init(dev_priv
, 4);
563 vmw_ldu_init(dev_priv
, 5);
564 vmw_ldu_init(dev_priv
, 6);
565 vmw_ldu_init(dev_priv
, 7);
571 int vmw_kms_close_legacy_display_system(struct vmw_private
*dev_priv
)
573 if (!dev_priv
->ldu_priv
)
576 BUG_ON(!list_empty(&dev_priv
->ldu_priv
->active
));
578 kfree(dev_priv
->ldu_priv
);
583 int vmw_kms_ldu_update_layout(struct vmw_private
*dev_priv
, unsigned num
,
584 struct drm_vmw_rect
*rects
)
586 struct drm_device
*dev
= dev_priv
->dev
;
587 struct vmw_legacy_display_unit
*ldu
;
588 struct drm_connector
*con
;
591 mutex_lock(&dev
->mode_config
.mutex
);
594 DRM_INFO("%s: new layout ", __func__
);
595 for (i
= 0; i
< (int)num
; i
++)
596 DRM_INFO("(%i, %i %ux%u) ", rects
[i
].x
, rects
[i
].y
,
597 rects
[i
].w
, rects
[i
].h
);
603 list_for_each_entry(con
, &dev
->mode_config
.connector_list
, head
) {
604 ldu
= vmw_connector_to_ldu(con
);
605 if (num
> ldu
->base
.unit
) {
606 ldu
->pref_width
= rects
[ldu
->base
.unit
].w
;
607 ldu
->pref_height
= rects
[ldu
->base
.unit
].h
;
608 ldu
->pref_active
= true;
610 ldu
->pref_width
= 800;
611 ldu
->pref_height
= 600;
612 ldu
->pref_active
= false;
614 con
->status
= vmw_ldu_connector_detect(con
);
617 mutex_unlock(&dev
->mode_config
.mutex
);