1 /************************************************************************** 2 * 3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA 4 * All Rights Reserved. 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 #include "vmwgfx_kms.h" 29 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) 36 37 struct vmw_legacy_display { 38 struct list_head active; 39 40 unsigned num_active; 41 42 struct vmw_framebuffer *fb; 43 }; 44 45 /** 46 * Display unit using the legacy register interface. 47 */ 48 struct vmw_legacy_display_unit { 49 struct vmw_display_unit base; 50 51 struct list_head active; 52 53 unsigned unit; 54 }; 55 56 static void vmw_ldu_destroy(struct vmw_legacy_display_unit *ldu) 57 { 58 list_del_init(&ldu->active); 59 vmw_display_unit_cleanup(&ldu->base); 60 kfree(ldu); 61 } 62 63 64 /* 65 * Legacy Display Unit CRTC functions 66 */ 67 68 static void vmw_ldu_crtc_save(struct drm_crtc *crtc) 69 { 70 } 71 72 static void vmw_ldu_crtc_restore(struct drm_crtc *crtc) 73 { 74 } 75 76 static void vmw_ldu_crtc_gamma_set(struct drm_crtc *crtc, 77 u16 *r, u16 *g, u16 *b, 78 uint32_t size) 79 { 80 } 81 82 static void vmw_ldu_crtc_destroy(struct drm_crtc *crtc) 83 { 84 vmw_ldu_destroy(vmw_crtc_to_ldu(crtc)); 85 } 86 87 static int vmw_ldu_commit_list(struct vmw_private *dev_priv) 88 { 89 struct vmw_legacy_display *lds = dev_priv->ldu_priv; 90 struct vmw_legacy_display_unit *entry; 91 struct drm_crtc *crtc; 92 int i = 0; 93 94 /* to stop the screen from changing size on resize */ 95 vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 0); 96 for (i = 0; i < lds->num_active; i++) { 97 vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, i); 98 vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, !i); 99 vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, 0); 100 vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, 0); 101 vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, 0); 102 vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, 0); 103 vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); 104 } 105 106 /* Now set the mode */ 107 vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, lds->num_active); 108 i = 0; 109 list_for_each_entry(entry, &lds->active, active) { 110 crtc = &entry->base.crtc; 111 112 vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, i); 113 vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, !i); 114 vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, crtc->x); 115 vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, crtc->y); 116 vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, crtc->mode.hdisplay); 117 vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, crtc->mode.vdisplay); 118 vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); 119 120 i++; 121 } 122 123 return 0; 124 } 125 126 static int vmw_ldu_del_active(struct vmw_private *vmw_priv, 127 struct vmw_legacy_display_unit *ldu) 128 { 129 struct vmw_legacy_display *ld = vmw_priv->ldu_priv; 130 if (list_empty(&ldu->active)) 131 return 0; 132 133 list_del_init(&ldu->active); 134 if (--(ld->num_active) == 0) { 135 BUG_ON(!ld->fb); 136 if (ld->fb->unpin) 137 ld->fb->unpin(ld->fb); 138 ld->fb = NULL; 139 } 140 141 return 0; 142 } 143 144 static int vmw_ldu_add_active(struct vmw_private *vmw_priv, 145 struct vmw_legacy_display_unit *ldu, 146 struct vmw_framebuffer *vfb) 147 { 148 struct vmw_legacy_display *ld = vmw_priv->ldu_priv; 149 struct vmw_legacy_display_unit *entry; 150 struct list_head *at; 151 152 if (!list_empty(&ldu->active)) 153 return 0; 154 155 at = &ld->active; 156 list_for_each_entry(entry, &ld->active, active) { 157 if (entry->unit > ldu->unit) 158 break; 159 160 at = &entry->active; 161 } 162 163 list_add(&ldu->active, at); 164 if (ld->num_active++ == 0) { 165 BUG_ON(ld->fb); 166 if (vfb->pin) 167 vfb->pin(vfb); 168 ld->fb = vfb; 169 } 170 171 return 0; 172 } 173 174 static int vmw_ldu_crtc_set_config(struct drm_mode_set *set) 175 { 176 struct vmw_private *dev_priv; 177 struct vmw_legacy_display_unit *ldu; 178 struct drm_connector *connector; 179 struct drm_display_mode *mode; 180 struct drm_encoder *encoder; 181 struct vmw_framebuffer *vfb; 182 struct drm_framebuffer *fb; 183 struct drm_crtc *crtc; 184 185 if (!set) 186 return -EINVAL; 187 188 if (!set->crtc) 189 return -EINVAL; 190 191 /* get the ldu */ 192 crtc = set->crtc; 193 ldu = vmw_crtc_to_ldu(crtc); 194 vfb = set->fb ? vmw_framebuffer_to_vfb(set->fb) : NULL; 195 dev_priv = vmw_priv(crtc->dev); 196 197 if (set->num_connectors > 1) { 198 DRM_ERROR("to many connectors\n"); 199 return -EINVAL; 200 } 201 202 if (set->num_connectors == 1 && 203 set->connectors[0] != &ldu->base.connector) { 204 DRM_ERROR("connector doesn't match %p %p\n", 205 set->connectors[0], &ldu->base.connector); 206 return -EINVAL; 207 } 208 209 /* ldu only supports one fb active at the time */ 210 if (dev_priv->ldu_priv->fb && vfb && 211 dev_priv->ldu_priv->fb != vfb) { 212 DRM_ERROR("Multiple framebuffers not supported\n"); 213 return -EINVAL; 214 } 215 216 /* since they always map one to one these are safe */ 217 connector = &ldu->base.connector; 218 encoder = &ldu->base.encoder; 219 220 /* should we turn the crtc off? */ 221 if (set->num_connectors == 0 || !set->mode || !set->fb) { 222 223 connector->encoder = NULL; 224 encoder->crtc = NULL; 225 crtc->fb = NULL; 226 227 vmw_ldu_del_active(dev_priv, ldu); 228 229 vmw_ldu_commit_list(dev_priv); 230 231 return 0; 232 } 233 234 235 /* we now know we want to set a mode */ 236 mode = set->mode; 237 fb = set->fb; 238 239 if (set->x + mode->hdisplay > fb->width || 240 set->y + mode->vdisplay > fb->height) { 241 DRM_ERROR("set outside of framebuffer\n"); 242 return -EINVAL; 243 } 244 245 vmw_fb_off(dev_priv); 246 247 crtc->fb = fb; 248 encoder->crtc = crtc; 249 connector->encoder = encoder; 250 crtc->x = set->x; 251 crtc->y = set->y; 252 crtc->mode = *mode; 253 254 vmw_ldu_add_active(dev_priv, ldu, vfb); 255 256 vmw_ldu_commit_list(dev_priv); 257 258 return 0; 259 } 260 261 static struct drm_crtc_funcs vmw_legacy_crtc_funcs = { 262 .save = vmw_ldu_crtc_save, 263 .restore = vmw_ldu_crtc_restore, 264 .cursor_set = vmw_du_crtc_cursor_set, 265 .cursor_move = vmw_du_crtc_cursor_move, 266 .gamma_set = vmw_ldu_crtc_gamma_set, 267 .destroy = vmw_ldu_crtc_destroy, 268 .set_config = vmw_ldu_crtc_set_config, 269 }; 270 271 /* 272 * Legacy Display Unit encoder functions 273 */ 274 275 static void vmw_ldu_encoder_destroy(struct drm_encoder *encoder) 276 { 277 vmw_ldu_destroy(vmw_encoder_to_ldu(encoder)); 278 } 279 280 static struct drm_encoder_funcs vmw_legacy_encoder_funcs = { 281 .destroy = vmw_ldu_encoder_destroy, 282 }; 283 284 /* 285 * Legacy Display Unit connector functions 286 */ 287 288 static void vmw_ldu_connector_dpms(struct drm_connector *connector, int mode) 289 { 290 } 291 292 static void vmw_ldu_connector_save(struct drm_connector *connector) 293 { 294 } 295 296 static void vmw_ldu_connector_restore(struct drm_connector *connector) 297 { 298 } 299 300 static enum drm_connector_status 301 vmw_ldu_connector_detect(struct drm_connector *connector) 302 { 303 /* XXX vmwctrl should control connection status */ 304 if (vmw_connector_to_ldu(connector)->base.unit == 0) 305 return connector_status_connected; 306 return connector_status_disconnected; 307 } 308 309 static struct drm_display_mode vmw_ldu_connector_builtin[] = { 310 /* 640x480@60Hz */ 311 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 312 752, 800, 0, 480, 489, 492, 525, 0, 313 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 314 /* 800x600@60Hz */ 315 { DRM_MODE("800x600", 316 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, 317 40000, 800, 840, 968, 1056, 0, 600, 601, 605, 628, 318 0, DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 319 /* 1024x768@60Hz */ 320 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, 321 1184, 1344, 0, 768, 771, 777, 806, 0, 322 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 323 /* 1152x864@75Hz */ 324 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, 325 1344, 1600, 0, 864, 865, 868, 900, 0, 326 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 327 /* 1280x768@60Hz */ 328 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344, 329 1472, 1664, 0, 768, 771, 778, 798, 0, 330 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 331 /* 1280x800@60Hz */ 332 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352, 333 1480, 1680, 0, 800, 803, 809, 831, 0, 334 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 335 /* 1280x960@60Hz */ 336 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376, 337 1488, 1800, 0, 960, 961, 964, 1000, 0, 338 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 339 /* 1280x1024@60Hz */ 340 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328, 341 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, 342 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 343 /* 1360x768@60Hz */ 344 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424, 345 1536, 1792, 0, 768, 771, 777, 795, 0, 346 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 347 /* 1440x1050@60Hz */ 348 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488, 349 1632, 1864, 0, 1050, 1053, 1057, 1089, 0, 350 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 351 /* 1440x900@60Hz */ 352 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520, 353 1672, 1904, 0, 900, 903, 909, 934, 0, 354 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 355 /* 1600x1200@60Hz */ 356 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664, 357 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 358 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 359 /* 1680x1050@60Hz */ 360 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784, 361 1960, 2240, 0, 1050, 1053, 1059, 1089, 0, 362 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 363 /* 1792x1344@60Hz */ 364 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920, 365 2120, 2448, 0, 1344, 1345, 1348, 1394, 0, 366 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 367 /* 1853x1392@60Hz */ 368 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952, 369 2176, 2528, 0, 1392, 1393, 1396, 1439, 0, 370 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 371 /* 1920x1200@60Hz */ 372 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056, 373 2256, 2592, 0, 1200, 1203, 1209, 1245, 0, 374 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 375 /* 1920x1440@60Hz */ 376 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048, 377 2256, 2600, 0, 1440, 1441, 1444, 1500, 0, 378 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 379 /* 2560x1600@60Hz */ 380 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752, 381 3032, 3504, 0, 1600, 1603, 1609, 1658, 0, 382 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 383 /* Terminate */ 384 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) }, 385 }; 386 387 static int vmw_ldu_connector_fill_modes(struct drm_connector *connector, 388 uint32_t max_width, uint32_t max_height) 389 { 390 struct drm_device *dev = connector->dev; 391 struct drm_display_mode *mode = NULL; 392 int i; 393 394 for (i = 0; vmw_ldu_connector_builtin[i].type != 0; i++) { 395 if (vmw_ldu_connector_builtin[i].hdisplay > max_width || 396 vmw_ldu_connector_builtin[i].vdisplay > max_height) 397 continue; 398 399 mode = drm_mode_duplicate(dev, &vmw_ldu_connector_builtin[i]); 400 if (!mode) 401 return 0; 402 mode->vrefresh = drm_mode_vrefresh(mode); 403 404 drm_mode_probed_add(connector, mode); 405 } 406 407 drm_mode_connector_list_update(connector); 408 409 return 1; 410 } 411 412 static int vmw_ldu_connector_set_property(struct drm_connector *connector, 413 struct drm_property *property, 414 uint64_t val) 415 { 416 return 0; 417 } 418 419 static void vmw_ldu_connector_destroy(struct drm_connector *connector) 420 { 421 vmw_ldu_destroy(vmw_connector_to_ldu(connector)); 422 } 423 424 static struct drm_connector_funcs vmw_legacy_connector_funcs = { 425 .dpms = vmw_ldu_connector_dpms, 426 .save = vmw_ldu_connector_save, 427 .restore = vmw_ldu_connector_restore, 428 .detect = vmw_ldu_connector_detect, 429 .fill_modes = vmw_ldu_connector_fill_modes, 430 .set_property = vmw_ldu_connector_set_property, 431 .destroy = vmw_ldu_connector_destroy, 432 }; 433 434 static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit) 435 { 436 struct vmw_legacy_display_unit *ldu; 437 struct drm_device *dev = dev_priv->dev; 438 struct drm_connector *connector; 439 struct drm_encoder *encoder; 440 struct drm_crtc *crtc; 441 442 ldu = kzalloc(sizeof(*ldu), GFP_KERNEL); 443 if (!ldu) 444 return -ENOMEM; 445 446 ldu->unit = unit; 447 crtc = &ldu->base.crtc; 448 encoder = &ldu->base.encoder; 449 connector = &ldu->base.connector; 450 451 drm_connector_init(dev, connector, &vmw_legacy_connector_funcs, 452 DRM_MODE_CONNECTOR_LVDS); 453 /* Initial status */ 454 if (unit == 0) 455 connector->status = connector_status_connected; 456 else 457 connector->status = connector_status_disconnected; 458 459 drm_encoder_init(dev, encoder, &vmw_legacy_encoder_funcs, 460 DRM_MODE_ENCODER_LVDS); 461 drm_mode_connector_attach_encoder(connector, encoder); 462 encoder->possible_crtcs = (1 << unit); 463 encoder->possible_clones = 0; 464 465 INIT_LIST_HEAD(&ldu->active); 466 467 drm_crtc_init(dev, crtc, &vmw_legacy_crtc_funcs); 468 469 drm_connector_attach_property(connector, 470 dev->mode_config.dirty_info_property, 471 1); 472 473 return 0; 474 } 475 476 int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv) 477 { 478 if (dev_priv->ldu_priv) { 479 DRM_INFO("ldu system already on\n"); 480 return -EINVAL; 481 } 482 483 dev_priv->ldu_priv = kmalloc(GFP_KERNEL, sizeof(*dev_priv->ldu_priv)); 484 485 if (!dev_priv->ldu_priv) 486 return -ENOMEM; 487 488 INIT_LIST_HEAD(&dev_priv->ldu_priv->active); 489 dev_priv->ldu_priv->num_active = 0; 490 dev_priv->ldu_priv->fb = NULL; 491 492 drm_mode_create_dirty_info_property(dev_priv->dev); 493 494 vmw_ldu_init(dev_priv, 0); 495 vmw_ldu_init(dev_priv, 1); 496 vmw_ldu_init(dev_priv, 2); 497 vmw_ldu_init(dev_priv, 3); 498 vmw_ldu_init(dev_priv, 4); 499 vmw_ldu_init(dev_priv, 5); 500 vmw_ldu_init(dev_priv, 6); 501 vmw_ldu_init(dev_priv, 7); 502 503 return 0; 504 } 505 506 int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv) 507 { 508 if (!dev_priv->ldu_priv) 509 return -ENOSYS; 510 511 BUG_ON(!list_empty(&dev_priv->ldu_priv->active)); 512 513 kfree(dev_priv->ldu_priv); 514 515 return 0; 516 } 517