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)
340 if (vmw_connector_to_ldu(connector)->pref_active)
341 return connector_status_connected;
342 return connector_status_disconnected;
345 static struct drm_display_mode vmw_ldu_connector_builtin[] = {
347 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
348 752, 800, 0, 480, 489, 492, 525, 0,
349 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
351 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
352 968, 1056, 0, 600, 601, 605, 628, 0,
353 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
355 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
356 1184, 1344, 0, 768, 771, 777, 806, 0,
357 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
359 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
360 1344, 1600, 0, 864, 865, 868, 900, 0,
361 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
363 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
364 1472, 1664, 0, 768, 771, 778, 798, 0,
365 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
367 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
368 1480, 1680, 0, 800, 803, 809, 831, 0,
369 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
371 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
372 1488, 1800, 0, 960, 961, 964, 1000, 0,
373 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
375 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
376 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
377 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
379 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
380 1536, 1792, 0, 768, 771, 777, 795, 0,
381 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
383 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
384 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
385 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
387 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
388 1672, 1904, 0, 900, 903, 909, 934, 0,
389 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
391 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
392 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
393 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
395 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
396 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
397 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
399 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
400 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
401 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
403 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
404 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
405 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
407 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
408 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
409 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
411 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
412 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
413 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
415 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
416 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
417 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
419 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
422 static int vmw_ldu_connector_fill_modes(struct drm_connector *connector,
423 uint32_t max_width, uint32_t max_height)
425 struct vmw_legacy_display_unit *ldu = vmw_connector_to_ldu(connector);
426 struct drm_device *dev = connector->dev;
427 struct drm_display_mode *mode = NULL;
428 struct drm_display_mode prefmode = { DRM_MODE("preferred",
429 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
430 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
431 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
435 /* Add preferred mode */
437 mode = drm_mode_duplicate(dev, &prefmode);
440 mode->hdisplay = ldu->pref_width;
441 mode->vdisplay = ldu->pref_height;
442 mode->vrefresh = drm_mode_vrefresh(mode);
443 drm_mode_probed_add(connector, mode);
445 if (ldu->pref_mode) {
446 list_del_init(&ldu->pref_mode->head);
447 drm_mode_destroy(dev, ldu->pref_mode);
450 ldu->pref_mode = mode;
453 for (i = 0; vmw_ldu_connector_builtin[i].type != 0; i++) {
454 if (vmw_ldu_connector_builtin[i].hdisplay > max_width ||
455 vmw_ldu_connector_builtin[i].vdisplay > max_height)
458 mode = drm_mode_duplicate(dev, &vmw_ldu_connector_builtin[i]);
461 mode->vrefresh = drm_mode_vrefresh(mode);
463 drm_mode_probed_add(connector, mode);
466 drm_mode_connector_list_update(connector);
471 static int vmw_ldu_connector_set_property(struct drm_connector *connector,
472 struct drm_property *property,
478 static void vmw_ldu_connector_destroy(struct drm_connector *connector)
480 vmw_ldu_destroy(vmw_connector_to_ldu(connector));
483 static struct drm_connector_funcs vmw_legacy_connector_funcs = {
484 .dpms = vmw_ldu_connector_dpms,
485 .save = vmw_ldu_connector_save,
486 .restore = vmw_ldu_connector_restore,
487 .detect = vmw_ldu_connector_detect,
488 .fill_modes = vmw_ldu_connector_fill_modes,
489 .set_property = vmw_ldu_connector_set_property,
490 .destroy = vmw_ldu_connector_destroy,
493 static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
495 struct vmw_legacy_display_unit *ldu;
496 struct drm_device *dev = dev_priv->dev;
497 struct drm_connector *connector;
498 struct drm_encoder *encoder;
499 struct drm_crtc *crtc;
501 ldu = kzalloc(sizeof(*ldu), GFP_KERNEL);
505 ldu->base.unit = unit;
506 crtc = &ldu->base.crtc;
507 encoder = &ldu->base.encoder;
508 connector = &ldu->base.connector;
510 INIT_LIST_HEAD(&ldu->active);
512 ldu->pref_active = (unit == 0);
513 ldu->pref_width = 800;
514 ldu->pref_height = 600;
515 ldu->pref_mode = NULL;
517 drm_connector_init(dev, connector, &vmw_legacy_connector_funcs,
518 DRM_MODE_CONNECTOR_LVDS);
519 connector->status = vmw_ldu_connector_detect(connector);
521 drm_encoder_init(dev, encoder, &vmw_legacy_encoder_funcs,
522 DRM_MODE_ENCODER_LVDS);
523 drm_mode_connector_attach_encoder(connector, encoder);
524 encoder->possible_crtcs = (1 << unit);
525 encoder->possible_clones = 0;
527 drm_crtc_init(dev, crtc, &vmw_legacy_crtc_funcs);
529 drm_connector_attach_property(connector,
530 dev->mode_config.dirty_info_property,
536 int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv)
538 if (dev_priv->ldu_priv) {
539 DRM_INFO("ldu system already on\n");
543 dev_priv->ldu_priv = kmalloc(GFP_KERNEL, sizeof(*dev_priv->ldu_priv));
545 if (!dev_priv->ldu_priv)
548 INIT_LIST_HEAD(&dev_priv->ldu_priv->active);
549 dev_priv->ldu_priv->num_active = 0;
550 dev_priv->ldu_priv->last_num_active = 0;
551 dev_priv->ldu_priv->fb = NULL;
553 drm_mode_create_dirty_info_property(dev_priv->dev);
555 vmw_ldu_init(dev_priv, 0);
556 /* for old hardware without multimon only enable one display */
557 if (dev_priv->capabilities & SVGA_CAP_MULTIMON) {
558 vmw_ldu_init(dev_priv, 1);
559 vmw_ldu_init(dev_priv, 2);
560 vmw_ldu_init(dev_priv, 3);
561 vmw_ldu_init(dev_priv, 4);
562 vmw_ldu_init(dev_priv, 5);
563 vmw_ldu_init(dev_priv, 6);
564 vmw_ldu_init(dev_priv, 7);
570 int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv)
572 if (!dev_priv->ldu_priv)
575 BUG_ON(!list_empty(&dev_priv->ldu_priv->active));
577 kfree(dev_priv->ldu_priv);
582 int vmw_kms_ldu_update_layout(struct vmw_private *dev_priv, unsigned num,
583 struct drm_vmw_rect *rects)
585 struct drm_device *dev = dev_priv->dev;
586 struct vmw_legacy_display_unit *ldu;
587 struct drm_connector *con;
590 mutex_lock(&dev->mode_config.mutex);
593 DRM_INFO("%s: new layout ", __func__);
594 for (i = 0; i < (int)num; i++)
595 DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y,
596 rects[i].w, rects[i].h);
602 list_for_each_entry(con, &dev->mode_config.connector_list, head) {
603 ldu = vmw_connector_to_ldu(con);
604 if (num > ldu->base.unit) {
605 ldu->pref_width = rects[ldu->base.unit].w;
606 ldu->pref_height = rects[ldu->base.unit].h;
607 ldu->pref_active = true;
609 ldu->pref_width = 800;
610 ldu->pref_height = 600;
611 ldu->pref_active = false;
613 con->status = vmw_ldu_connector_detect(con);
616 mutex_unlock(&dev->mode_config.mutex);