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);