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
;
52 struct list_head active
;
57 static void vmw_ldu_destroy(struct vmw_legacy_display_unit
*ldu
)
59 list_del_init(&ldu
->active
);
60 vmw_display_unit_cleanup(&ldu
->base
);
66 * Legacy Display Unit CRTC functions
69 static void vmw_ldu_crtc_save(struct drm_crtc
*crtc
)
73 static void vmw_ldu_crtc_restore(struct drm_crtc
*crtc
)
77 static void vmw_ldu_crtc_gamma_set(struct drm_crtc
*crtc
,
78 u16
*r
, u16
*g
, u16
*b
,
83 static void vmw_ldu_crtc_destroy(struct drm_crtc
*crtc
)
85 vmw_ldu_destroy(vmw_crtc_to_ldu(crtc
));
88 static int vmw_ldu_commit_list(struct vmw_private
*dev_priv
)
90 struct vmw_legacy_display
*lds
= dev_priv
->ldu_priv
;
91 struct vmw_legacy_display_unit
*entry
;
92 struct drm_framebuffer
*fb
= NULL
;
93 struct drm_crtc
*crtc
= NULL
;
96 /* If there is no display topology the host just assumes
97 * that the guest will set the same layout as the host.
99 if (!(dev_priv
->capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
)) {
101 list_for_each_entry(entry
, &lds
->active
, active
) {
102 crtc
= &entry
->base
.crtc
;
103 w
= max(w
, crtc
->x
+ crtc
->mode
.hdisplay
);
104 h
= max(h
, crtc
->y
+ crtc
->mode
.vdisplay
);
110 fb
= entry
->base
.crtc
.fb
;
112 vmw_write(dev_priv
, SVGA_REG_ENABLE
, 0);
113 vmw_kms_write_svga(dev_priv
, w
, h
, fb
->pitch
,
114 fb
->bits_per_pixel
, fb
->depth
);
115 vmw_write(dev_priv
, SVGA_REG_ENABLE
, 1);
120 vmw_write(dev_priv
, SVGA_REG_ENABLE
, 0);
122 for (i
= 0; i
< lds
->last_num_active
; i
++) {
123 vmw_write(dev_priv
, SVGA_REG_DISPLAY_ID
, i
);
124 vmw_write(dev_priv
, SVGA_REG_DISPLAY_IS_PRIMARY
, !i
);
125 vmw_write(dev_priv
, SVGA_REG_DISPLAY_POSITION_X
, 0);
126 vmw_write(dev_priv
, SVGA_REG_DISPLAY_POSITION_Y
, 0);
127 vmw_write(dev_priv
, SVGA_REG_DISPLAY_WIDTH
, 0);
128 vmw_write(dev_priv
, SVGA_REG_DISPLAY_HEIGHT
, 0);
129 vmw_write(dev_priv
, SVGA_REG_DISPLAY_ID
, SVGA_ID_INVALID
);
132 if (!list_empty(&lds
->active
)) {
133 entry
= list_entry(lds
->active
.next
, typeof(*entry
), active
);
134 fb
= entry
->base
.crtc
.fb
;
136 vmw_kms_write_svga(dev_priv
, fb
->width
, fb
->height
, fb
->pitch
,
137 fb
->bits_per_pixel
, fb
->depth
);
141 list_for_each_entry(entry
, &lds
->active
, active
) {
142 crtc
= &entry
->base
.crtc
;
144 vmw_write(dev_priv
, SVGA_REG_DISPLAY_ID
, i
);
145 vmw_write(dev_priv
, SVGA_REG_DISPLAY_IS_PRIMARY
, !i
);
146 vmw_write(dev_priv
, SVGA_REG_DISPLAY_POSITION_X
, crtc
->x
);
147 vmw_write(dev_priv
, SVGA_REG_DISPLAY_POSITION_Y
, crtc
->y
);
148 vmw_write(dev_priv
, SVGA_REG_DISPLAY_WIDTH
, crtc
->mode
.hdisplay
);
149 vmw_write(dev_priv
, SVGA_REG_DISPLAY_HEIGHT
, crtc
->mode
.vdisplay
);
150 vmw_write(dev_priv
, SVGA_REG_DISPLAY_ID
, SVGA_ID_INVALID
);
155 /* Make sure we always show something. */
156 vmw_write(dev_priv
, SVGA_REG_NUM_GUEST_DISPLAYS
, i
? i
: 1);
157 vmw_write(dev_priv
, SVGA_REG_ENABLE
, 1);
159 BUG_ON(i
!= lds
->num_active
);
161 lds
->last_num_active
= lds
->num_active
;
166 static int vmw_ldu_del_active(struct vmw_private
*vmw_priv
,
167 struct vmw_legacy_display_unit
*ldu
)
169 struct vmw_legacy_display
*ld
= vmw_priv
->ldu_priv
;
170 if (list_empty(&ldu
->active
))
173 /* Must init otherwise list_empty(&ldu->active) will not work. */
174 list_del_init(&ldu
->active
);
175 if (--(ld
->num_active
) == 0) {
178 ld
->fb
->unpin(ld
->fb
);
185 static int vmw_ldu_add_active(struct vmw_private
*vmw_priv
,
186 struct vmw_legacy_display_unit
*ldu
,
187 struct vmw_framebuffer
*vfb
)
189 struct vmw_legacy_display
*ld
= vmw_priv
->ldu_priv
;
190 struct vmw_legacy_display_unit
*entry
;
191 struct list_head
*at
;
193 BUG_ON(!ld
->num_active
&& ld
->fb
);
195 if (ld
->fb
&& ld
->fb
->unpin
)
196 ld
->fb
->unpin(ld
->fb
);
202 if (!list_empty(&ldu
->active
))
206 list_for_each_entry(entry
, &ld
->active
, active
) {
207 if (entry
->unit
> ldu
->unit
)
213 list_add(&ldu
->active
, at
);
220 static int vmw_ldu_crtc_set_config(struct drm_mode_set
*set
)
222 struct vmw_private
*dev_priv
;
223 struct vmw_legacy_display_unit
*ldu
;
224 struct drm_connector
*connector
;
225 struct drm_display_mode
*mode
;
226 struct drm_encoder
*encoder
;
227 struct vmw_framebuffer
*vfb
;
228 struct drm_framebuffer
*fb
;
229 struct drm_crtc
*crtc
;
239 ldu
= vmw_crtc_to_ldu(crtc
);
240 vfb
= set
->fb
? vmw_framebuffer_to_vfb(set
->fb
) : NULL
;
241 dev_priv
= vmw_priv(crtc
->dev
);
243 if (set
->num_connectors
> 1) {
244 DRM_ERROR("to many connectors\n");
248 if (set
->num_connectors
== 1 &&
249 set
->connectors
[0] != &ldu
->base
.connector
) {
250 DRM_ERROR("connector doesn't match %p %p\n",
251 set
->connectors
[0], &ldu
->base
.connector
);
255 /* ldu only supports one fb active at the time */
256 if (dev_priv
->ldu_priv
->fb
&& vfb
&&
257 !(dev_priv
->ldu_priv
->num_active
== 1 &&
258 !list_empty(&ldu
->active
)) &&
259 dev_priv
->ldu_priv
->fb
!= vfb
) {
260 DRM_ERROR("Multiple framebuffers not supported\n");
264 /* since they always map one to one these are safe */
265 connector
= &ldu
->base
.connector
;
266 encoder
= &ldu
->base
.encoder
;
268 /* should we turn the crtc off? */
269 if (set
->num_connectors
== 0 || !set
->mode
|| !set
->fb
) {
271 connector
->encoder
= NULL
;
272 encoder
->crtc
= NULL
;
275 vmw_ldu_del_active(dev_priv
, ldu
);
277 vmw_ldu_commit_list(dev_priv
);
283 /* we now know we want to set a mode */
287 if (set
->x
+ mode
->hdisplay
> fb
->width
||
288 set
->y
+ mode
->vdisplay
> fb
->height
) {
289 DRM_ERROR("set outside of framebuffer\n");
293 vmw_fb_off(dev_priv
);
296 encoder
->crtc
= crtc
;
297 connector
->encoder
= encoder
;
302 vmw_ldu_add_active(dev_priv
, ldu
, vfb
);
304 vmw_ldu_commit_list(dev_priv
);
309 static struct drm_crtc_funcs vmw_legacy_crtc_funcs
= {
310 .save
= vmw_ldu_crtc_save
,
311 .restore
= vmw_ldu_crtc_restore
,
312 .cursor_set
= vmw_du_crtc_cursor_set
,
313 .cursor_move
= vmw_du_crtc_cursor_move
,
314 .gamma_set
= vmw_ldu_crtc_gamma_set
,
315 .destroy
= vmw_ldu_crtc_destroy
,
316 .set_config
= vmw_ldu_crtc_set_config
,
320 * Legacy Display Unit encoder functions
323 static void vmw_ldu_encoder_destroy(struct drm_encoder
*encoder
)
325 vmw_ldu_destroy(vmw_encoder_to_ldu(encoder
));
328 static struct drm_encoder_funcs vmw_legacy_encoder_funcs
= {
329 .destroy
= vmw_ldu_encoder_destroy
,
333 * Legacy Display Unit connector functions
336 static void vmw_ldu_connector_dpms(struct drm_connector
*connector
, int mode
)
340 static void vmw_ldu_connector_save(struct drm_connector
*connector
)
344 static void vmw_ldu_connector_restore(struct drm_connector
*connector
)
348 static enum drm_connector_status
349 vmw_ldu_connector_detect(struct drm_connector
*connector
)
351 /* XXX vmwctrl should control connection status */
352 if (vmw_connector_to_ldu(connector
)->base
.unit
== 0)
353 return connector_status_connected
;
354 return connector_status_disconnected
;
357 static struct drm_display_mode vmw_ldu_connector_builtin
[] = {
359 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 25175, 640, 656,
360 752, 800, 0, 480, 489, 492, 525, 0,
361 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
363 { DRM_MODE("800x600",
364 DRM_MODE_TYPE_DRIVER
| DRM_MODE_TYPE_PREFERRED
,
365 40000, 800, 840, 968, 1056, 0, 600, 601, 605, 628,
366 0, DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
368 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 65000, 1024, 1048,
369 1184, 1344, 0, 768, 771, 777, 806, 0,
370 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
372 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER
, 108000, 1152, 1216,
373 1344, 1600, 0, 864, 865, 868, 900, 0,
374 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
376 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER
, 79500, 1280, 1344,
377 1472, 1664, 0, 768, 771, 778, 798, 0,
378 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
380 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER
, 83500, 1280, 1352,
381 1480, 1680, 0, 800, 803, 809, 831, 0,
382 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
384 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER
, 108000, 1280, 1376,
385 1488, 1800, 0, 960, 961, 964, 1000, 0,
386 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
388 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER
, 108000, 1280, 1328,
389 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
390 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
392 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER
, 85500, 1360, 1424,
393 1536, 1792, 0, 768, 771, 777, 795, 0,
394 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
396 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER
, 121750, 1400, 1488,
397 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
398 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
400 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER
, 106500, 1440, 1520,
401 1672, 1904, 0, 900, 903, 909, 934, 0,
402 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
404 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER
, 162000, 1600, 1664,
405 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
406 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
408 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER
, 146250, 1680, 1784,
409 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
410 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
412 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER
, 204750, 1792, 1920,
413 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
414 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
416 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER
, 218250, 1856, 1952,
417 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
418 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
420 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER
, 193250, 1920, 2056,
421 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
422 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
424 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER
, 234000, 1920, 2048,
425 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
426 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
428 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER
, 348500, 2560, 2752,
429 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
430 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
432 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
435 static int vmw_ldu_connector_fill_modes(struct drm_connector
*connector
,
436 uint32_t max_width
, uint32_t max_height
)
438 struct drm_device
*dev
= connector
->dev
;
439 struct drm_display_mode
*mode
= NULL
;
442 for (i
= 0; vmw_ldu_connector_builtin
[i
].type
!= 0; i
++) {
443 if (vmw_ldu_connector_builtin
[i
].hdisplay
> max_width
||
444 vmw_ldu_connector_builtin
[i
].vdisplay
> max_height
)
447 mode
= drm_mode_duplicate(dev
, &vmw_ldu_connector_builtin
[i
]);
450 mode
->vrefresh
= drm_mode_vrefresh(mode
);
452 drm_mode_probed_add(connector
, mode
);
455 drm_mode_connector_list_update(connector
);
460 static int vmw_ldu_connector_set_property(struct drm_connector
*connector
,
461 struct drm_property
*property
,
467 static void vmw_ldu_connector_destroy(struct drm_connector
*connector
)
469 vmw_ldu_destroy(vmw_connector_to_ldu(connector
));
472 static struct drm_connector_funcs vmw_legacy_connector_funcs
= {
473 .dpms
= vmw_ldu_connector_dpms
,
474 .save
= vmw_ldu_connector_save
,
475 .restore
= vmw_ldu_connector_restore
,
476 .detect
= vmw_ldu_connector_detect
,
477 .fill_modes
= vmw_ldu_connector_fill_modes
,
478 .set_property
= vmw_ldu_connector_set_property
,
479 .destroy
= vmw_ldu_connector_destroy
,
482 static int vmw_ldu_init(struct vmw_private
*dev_priv
, unsigned unit
)
484 struct vmw_legacy_display_unit
*ldu
;
485 struct drm_device
*dev
= dev_priv
->dev
;
486 struct drm_connector
*connector
;
487 struct drm_encoder
*encoder
;
488 struct drm_crtc
*crtc
;
490 ldu
= kzalloc(sizeof(*ldu
), GFP_KERNEL
);
495 crtc
= &ldu
->base
.crtc
;
496 encoder
= &ldu
->base
.encoder
;
497 connector
= &ldu
->base
.connector
;
499 INIT_LIST_HEAD(&ldu
->active
);
501 drm_connector_init(dev
, connector
, &vmw_legacy_connector_funcs
,
502 DRM_MODE_CONNECTOR_LVDS
);
503 connector
->status
= vmw_ldu_connector_detect(connector
);
505 drm_encoder_init(dev
, encoder
, &vmw_legacy_encoder_funcs
,
506 DRM_MODE_ENCODER_LVDS
);
507 drm_mode_connector_attach_encoder(connector
, encoder
);
508 encoder
->possible_crtcs
= (1 << unit
);
509 encoder
->possible_clones
= 0;
511 drm_crtc_init(dev
, crtc
, &vmw_legacy_crtc_funcs
);
513 drm_connector_attach_property(connector
,
514 dev
->mode_config
.dirty_info_property
,
520 int vmw_kms_init_legacy_display_system(struct vmw_private
*dev_priv
)
522 if (dev_priv
->ldu_priv
) {
523 DRM_INFO("ldu system already on\n");
527 dev_priv
->ldu_priv
= kmalloc(GFP_KERNEL
, sizeof(*dev_priv
->ldu_priv
));
529 if (!dev_priv
->ldu_priv
)
532 INIT_LIST_HEAD(&dev_priv
->ldu_priv
->active
);
533 dev_priv
->ldu_priv
->num_active
= 0;
534 dev_priv
->ldu_priv
->last_num_active
= 0;
535 dev_priv
->ldu_priv
->fb
= NULL
;
537 drm_mode_create_dirty_info_property(dev_priv
->dev
);
539 vmw_ldu_init(dev_priv
, 0);
540 /* for old hardware without multimon only enable one display */
541 if (dev_priv
->capabilities
& SVGA_CAP_MULTIMON
) {
542 vmw_ldu_init(dev_priv
, 1);
543 vmw_ldu_init(dev_priv
, 2);
544 vmw_ldu_init(dev_priv
, 3);
545 vmw_ldu_init(dev_priv
, 4);
546 vmw_ldu_init(dev_priv
, 5);
547 vmw_ldu_init(dev_priv
, 6);
548 vmw_ldu_init(dev_priv
, 7);
554 int vmw_kms_close_legacy_display_system(struct vmw_private
*dev_priv
)
556 if (!dev_priv
->ldu_priv
)
559 BUG_ON(!list_empty(&dev_priv
->ldu_priv
->active
));
561 kfree(dev_priv
->ldu_priv
);