Jakob Bornecrantz | fb1d973 | 2009-12-10 00:19:58 +0000 | [diff] [blame] | 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 | } |