1 /************************************************************************** 2 * Copyright (c) 2007-2011, Intel Corporation. 3 * All Rights Reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 **************************************************************************/ 19 20 #include <linux/module.h> 21 #include <linux/kernel.h> 22 #include <linux/errno.h> 23 #include <linux/string.h> 24 #include <linux/pfn_t.h> 25 #include <linux/mm.h> 26 #include <linux/tty.h> 27 #include <linux/slab.h> 28 #include <linux/delay.h> 29 #include <linux/init.h> 30 #include <linux/console.h> 31 32 #include <drm/drmP.h> 33 #include <drm/drm.h> 34 #include <drm/drm_crtc.h> 35 #include <drm/drm_fb_helper.h> 36 37 #include "psb_drv.h" 38 #include "psb_intel_reg.h" 39 #include "psb_intel_drv.h" 40 #include "framebuffer.h" 41 #include "gtt.h" 42 43 static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb); 44 static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, 45 struct drm_file *file_priv, 46 unsigned int *handle); 47 48 static const struct drm_framebuffer_funcs psb_fb_funcs = { 49 .destroy = psb_user_framebuffer_destroy, 50 .create_handle = psb_user_framebuffer_create_handle, 51 }; 52 53 #define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) 54 55 static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green, 56 unsigned blue, unsigned transp, 57 struct fb_info *info) 58 { 59 struct psb_fbdev *fbdev = info->par; 60 struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb; 61 uint32_t v; 62 63 if (!fb) 64 return -ENOMEM; 65 66 if (regno > 255) 67 return 1; 68 69 red = CMAP_TOHW(red, info->var.red.length); 70 blue = CMAP_TOHW(blue, info->var.blue.length); 71 green = CMAP_TOHW(green, info->var.green.length); 72 transp = CMAP_TOHW(transp, info->var.transp.length); 73 74 v = (red << info->var.red.offset) | 75 (green << info->var.green.offset) | 76 (blue << info->var.blue.offset) | 77 (transp << info->var.transp.offset); 78 79 if (regno < 16) { 80 switch (fb->bits_per_pixel) { 81 case 16: 82 ((uint32_t *) info->pseudo_palette)[regno] = v; 83 break; 84 case 24: 85 case 32: 86 ((uint32_t *) info->pseudo_palette)[regno] = v; 87 break; 88 } 89 } 90 91 return 0; 92 } 93 94 static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info) 95 { 96 struct psb_fbdev *fbdev = info->par; 97 struct psb_framebuffer *psbfb = &fbdev->pfb; 98 struct drm_device *dev = psbfb->base.dev; 99 100 /* 101 * We have to poke our nose in here. The core fb code assumes 102 * panning is part of the hardware that can be invoked before 103 * the actual fb is mapped. In our case that isn't quite true. 104 */ 105 if (psbfb->gtt->npage) { 106 /* GTT roll shifts in 4K pages, we need to shift the right 107 number of pages */ 108 int pages = info->fix.line_length >> 12; 109 psb_gtt_roll(dev, psbfb->gtt, var->yoffset * pages); 110 } 111 return 0; 112 } 113 114 static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) 115 { 116 struct psb_framebuffer *psbfb = vma->vm_private_data; 117 struct drm_device *dev = psbfb->base.dev; 118 struct drm_psb_private *dev_priv = dev->dev_private; 119 int page_num; 120 int i; 121 unsigned long address; 122 int ret; 123 unsigned long pfn; 124 unsigned long phys_addr = (unsigned long)dev_priv->stolen_base + 125 psbfb->gtt->offset; 126 127 page_num = vma_pages(vma); 128 address = vmf->address - (vmf->pgoff << PAGE_SHIFT); 129 130 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); 131 132 for (i = 0; i < page_num; i++) { 133 pfn = (phys_addr >> PAGE_SHIFT); 134 135 ret = vm_insert_mixed(vma, address, 136 __pfn_to_pfn_t(pfn, PFN_DEV)); 137 if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0))) 138 break; 139 else if (unlikely(ret != 0)) { 140 ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS; 141 return ret; 142 } 143 address += PAGE_SIZE; 144 phys_addr += PAGE_SIZE; 145 } 146 return VM_FAULT_NOPAGE; 147 } 148 149 static void psbfb_vm_open(struct vm_area_struct *vma) 150 { 151 } 152 153 static void psbfb_vm_close(struct vm_area_struct *vma) 154 { 155 } 156 157 static const struct vm_operations_struct psbfb_vm_ops = { 158 .fault = psbfb_vm_fault, 159 .open = psbfb_vm_open, 160 .close = psbfb_vm_close 161 }; 162 163 static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma) 164 { 165 struct psb_fbdev *fbdev = info->par; 166 struct psb_framebuffer *psbfb = &fbdev->pfb; 167 168 if (vma->vm_pgoff != 0) 169 return -EINVAL; 170 if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) 171 return -EINVAL; 172 173 if (!psbfb->addr_space) 174 psbfb->addr_space = vma->vm_file->f_mapping; 175 /* 176 * If this is a GEM object then info->screen_base is the virtual 177 * kernel remapping of the object. FIXME: Review if this is 178 * suitable for our mmap work 179 */ 180 vma->vm_ops = &psbfb_vm_ops; 181 vma->vm_private_data = (void *)psbfb; 182 vma->vm_flags |= VM_IO | VM_MIXEDMAP | VM_DONTEXPAND | VM_DONTDUMP; 183 return 0; 184 } 185 186 static struct fb_ops psbfb_ops = { 187 .owner = THIS_MODULE, 188 DRM_FB_HELPER_DEFAULT_OPS, 189 .fb_setcolreg = psbfb_setcolreg, 190 .fb_fillrect = drm_fb_helper_cfb_fillrect, 191 .fb_copyarea = psbfb_copyarea, 192 .fb_imageblit = drm_fb_helper_cfb_imageblit, 193 .fb_mmap = psbfb_mmap, 194 .fb_sync = psbfb_sync, 195 }; 196 197 static struct fb_ops psbfb_roll_ops = { 198 .owner = THIS_MODULE, 199 DRM_FB_HELPER_DEFAULT_OPS, 200 .fb_setcolreg = psbfb_setcolreg, 201 .fb_fillrect = drm_fb_helper_cfb_fillrect, 202 .fb_copyarea = drm_fb_helper_cfb_copyarea, 203 .fb_imageblit = drm_fb_helper_cfb_imageblit, 204 .fb_pan_display = psbfb_pan, 205 .fb_mmap = psbfb_mmap, 206 }; 207 208 static struct fb_ops psbfb_unaccel_ops = { 209 .owner = THIS_MODULE, 210 DRM_FB_HELPER_DEFAULT_OPS, 211 .fb_setcolreg = psbfb_setcolreg, 212 .fb_fillrect = drm_fb_helper_cfb_fillrect, 213 .fb_copyarea = drm_fb_helper_cfb_copyarea, 214 .fb_imageblit = drm_fb_helper_cfb_imageblit, 215 .fb_mmap = psbfb_mmap, 216 }; 217 218 /** 219 * psb_framebuffer_init - initialize a framebuffer 220 * @dev: our DRM device 221 * @fb: framebuffer to set up 222 * @mode_cmd: mode description 223 * @gt: backing object 224 * 225 * Configure and fill in the boilerplate for our frame buffer. Return 226 * 0 on success or an error code if we fail. 227 */ 228 static int psb_framebuffer_init(struct drm_device *dev, 229 struct psb_framebuffer *fb, 230 const struct drm_mode_fb_cmd2 *mode_cmd, 231 struct gtt_range *gt) 232 { 233 const struct drm_format_info *info; 234 int ret; 235 236 /* 237 * Reject unknown formats, YUV formats, and formats with more than 238 * 4 bytes per pixel. 239 */ 240 info = drm_format_info(mode_cmd->pixel_format); 241 if (!info || !info->depth || info->cpp[0] > 4) 242 return -EINVAL; 243 244 if (mode_cmd->pitches[0] & 63) 245 return -EINVAL; 246 247 drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd); 248 fb->gtt = gt; 249 ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs); 250 if (ret) { 251 dev_err(dev->dev, "framebuffer init failed: %d\n", ret); 252 return ret; 253 } 254 return 0; 255 } 256 257 /** 258 * psb_framebuffer_create - create a framebuffer backed by gt 259 * @dev: our DRM device 260 * @mode_cmd: the description of the requested mode 261 * @gt: the backing object 262 * 263 * Create a framebuffer object backed by the gt, and fill in the 264 * boilerplate required 265 * 266 * TODO: review object references 267 */ 268 269 static struct drm_framebuffer *psb_framebuffer_create 270 (struct drm_device *dev, 271 const struct drm_mode_fb_cmd2 *mode_cmd, 272 struct gtt_range *gt) 273 { 274 struct psb_framebuffer *fb; 275 int ret; 276 277 fb = kzalloc(sizeof(*fb), GFP_KERNEL); 278 if (!fb) 279 return ERR_PTR(-ENOMEM); 280 281 ret = psb_framebuffer_init(dev, fb, mode_cmd, gt); 282 if (ret) { 283 kfree(fb); 284 return ERR_PTR(ret); 285 } 286 return &fb->base; 287 } 288 289 /** 290 * psbfb_alloc - allocate frame buffer memory 291 * @dev: the DRM device 292 * @aligned_size: space needed 293 * 294 * Allocate the frame buffer. In the usual case we get a GTT range that 295 * is stolen memory backed and life is simple. If there isn't sufficient 296 * we fail as we don't have the virtual mapping space to really vmap it 297 * and the kernel console code can't handle non linear framebuffers. 298 * 299 * Re-address this as and if the framebuffer layer grows this ability. 300 */ 301 static struct gtt_range *psbfb_alloc(struct drm_device *dev, int aligned_size) 302 { 303 struct gtt_range *backing; 304 /* Begin by trying to use stolen memory backing */ 305 backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1, PAGE_SIZE); 306 if (backing) { 307 drm_gem_private_object_init(dev, &backing->gem, aligned_size); 308 return backing; 309 } 310 return NULL; 311 } 312 313 /** 314 * psbfb_create - create a framebuffer 315 * @fbdev: the framebuffer device 316 * @sizes: specification of the layout 317 * 318 * Create a framebuffer to the specifications provided 319 */ 320 static int psbfb_create(struct psb_fbdev *fbdev, 321 struct drm_fb_helper_surface_size *sizes) 322 { 323 struct drm_device *dev = fbdev->psb_fb_helper.dev; 324 struct drm_psb_private *dev_priv = dev->dev_private; 325 struct fb_info *info; 326 struct drm_framebuffer *fb; 327 struct psb_framebuffer *psbfb = &fbdev->pfb; 328 struct drm_mode_fb_cmd2 mode_cmd; 329 int size; 330 int ret; 331 struct gtt_range *backing; 332 u32 bpp, depth; 333 int gtt_roll = 0; 334 int pitch_lines = 0; 335 336 mode_cmd.width = sizes->surface_width; 337 mode_cmd.height = sizes->surface_height; 338 bpp = sizes->surface_bpp; 339 depth = sizes->surface_depth; 340 341 /* No 24bit packed */ 342 if (bpp == 24) 343 bpp = 32; 344 345 do { 346 /* 347 * Acceleration via the GTT requires pitch to be 348 * power of two aligned. Preferably page but less 349 * is ok with some fonts 350 */ 351 mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 4096 >> pitch_lines); 352 353 size = mode_cmd.pitches[0] * mode_cmd.height; 354 size = ALIGN(size, PAGE_SIZE); 355 356 /* Allocate the fb in the GTT with stolen page backing */ 357 backing = psbfb_alloc(dev, size); 358 359 if (pitch_lines) 360 pitch_lines *= 2; 361 else 362 pitch_lines = 1; 363 gtt_roll++; 364 } while (backing == NULL && pitch_lines <= 16); 365 366 /* The final pitch we accepted if we succeeded */ 367 pitch_lines /= 2; 368 369 if (backing == NULL) { 370 /* 371 * We couldn't get the space we wanted, fall back to the 372 * display engine requirement instead. The HW requires 373 * the pitch to be 64 byte aligned 374 */ 375 376 gtt_roll = 0; /* Don't use GTT accelerated scrolling */ 377 pitch_lines = 64; 378 379 mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 64); 380 381 size = mode_cmd.pitches[0] * mode_cmd.height; 382 size = ALIGN(size, PAGE_SIZE); 383 384 /* Allocate the framebuffer in the GTT with stolen page backing */ 385 backing = psbfb_alloc(dev, size); 386 if (backing == NULL) 387 return -ENOMEM; 388 } 389 390 memset(dev_priv->vram_addr + backing->offset, 0, size); 391 392 info = drm_fb_helper_alloc_fbi(&fbdev->psb_fb_helper); 393 if (IS_ERR(info)) { 394 ret = PTR_ERR(info); 395 goto err_free_range; 396 } 397 info->par = fbdev; 398 399 mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); 400 401 ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing); 402 if (ret) 403 goto err_release; 404 405 fb = &psbfb->base; 406 psbfb->fbdev = info; 407 408 fbdev->psb_fb_helper.fb = fb; 409 410 drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); 411 strcpy(info->fix.id, "psbdrmfb"); 412 413 info->flags = FBINFO_DEFAULT; 414 if (dev_priv->ops->accel_2d && pitch_lines > 8) /* 2D engine */ 415 info->fbops = &psbfb_ops; 416 else if (gtt_roll) { /* GTT rolling seems best */ 417 info->fbops = &psbfb_roll_ops; 418 info->flags |= FBINFO_HWACCEL_YPAN; 419 } else /* Software */ 420 info->fbops = &psbfb_unaccel_ops; 421 422 info->fix.smem_start = dev->mode_config.fb_base; 423 info->fix.smem_len = size; 424 info->fix.ywrapstep = gtt_roll; 425 info->fix.ypanstep = 0; 426 427 /* Accessed stolen memory directly */ 428 info->screen_base = dev_priv->vram_addr + backing->offset; 429 info->screen_size = size; 430 431 if (dev_priv->gtt.stolen_size) { 432 info->apertures->ranges[0].base = dev->mode_config.fb_base; 433 info->apertures->ranges[0].size = dev_priv->gtt.stolen_size; 434 } 435 436 drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper, 437 sizes->fb_width, sizes->fb_height); 438 439 info->fix.mmio_start = pci_resource_start(dev->pdev, 0); 440 info->fix.mmio_len = pci_resource_len(dev->pdev, 0); 441 442 /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ 443 444 dev_dbg(dev->dev, "allocated %dx%d fb\n", 445 psbfb->base.width, psbfb->base.height); 446 447 return 0; 448 err_release: 449 drm_fb_helper_release_fbi(&fbdev->psb_fb_helper); 450 err_free_range: 451 psb_gtt_free_range(dev, backing); 452 return ret; 453 } 454 455 /** 456 * psb_user_framebuffer_create - create framebuffer 457 * @dev: our DRM device 458 * @filp: client file 459 * @cmd: mode request 460 * 461 * Create a new framebuffer backed by a userspace GEM object 462 */ 463 static struct drm_framebuffer *psb_user_framebuffer_create 464 (struct drm_device *dev, struct drm_file *filp, 465 const struct drm_mode_fb_cmd2 *cmd) 466 { 467 struct gtt_range *r; 468 struct drm_gem_object *obj; 469 470 /* 471 * Find the GEM object and thus the gtt range object that is 472 * to back this space 473 */ 474 obj = drm_gem_object_lookup(filp, cmd->handles[0]); 475 if (obj == NULL) 476 return ERR_PTR(-ENOENT); 477 478 /* Let the core code do all the work */ 479 r = container_of(obj, struct gtt_range, gem); 480 return psb_framebuffer_create(dev, cmd, r); 481 } 482 483 static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, 484 u16 blue, int regno) 485 { 486 struct gma_crtc *gma_crtc = to_gma_crtc(crtc); 487 488 gma_crtc->lut_r[regno] = red >> 8; 489 gma_crtc->lut_g[regno] = green >> 8; 490 gma_crtc->lut_b[regno] = blue >> 8; 491 } 492 493 static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red, 494 u16 *green, u16 *blue, int regno) 495 { 496 struct gma_crtc *gma_crtc = to_gma_crtc(crtc); 497 498 *red = gma_crtc->lut_r[regno] << 8; 499 *green = gma_crtc->lut_g[regno] << 8; 500 *blue = gma_crtc->lut_b[regno] << 8; 501 } 502 503 static int psbfb_probe(struct drm_fb_helper *helper, 504 struct drm_fb_helper_surface_size *sizes) 505 { 506 struct psb_fbdev *psb_fbdev = 507 container_of(helper, struct psb_fbdev, psb_fb_helper); 508 struct drm_device *dev = psb_fbdev->psb_fb_helper.dev; 509 struct drm_psb_private *dev_priv = dev->dev_private; 510 int bytespp; 511 512 bytespp = sizes->surface_bpp / 8; 513 if (bytespp == 3) /* no 24bit packed */ 514 bytespp = 4; 515 516 /* If the mode will not fit in 32bit then switch to 16bit to get 517 a console on full resolution. The X mode setting server will 518 allocate its own 32bit GEM framebuffer */ 519 if (ALIGN(sizes->fb_width * bytespp, 64) * sizes->fb_height > 520 dev_priv->vram_stolen_size) { 521 sizes->surface_bpp = 16; 522 sizes->surface_depth = 16; 523 } 524 525 return psbfb_create(psb_fbdev, sizes); 526 } 527 528 static const struct drm_fb_helper_funcs psb_fb_helper_funcs = { 529 .gamma_set = psbfb_gamma_set, 530 .gamma_get = psbfb_gamma_get, 531 .fb_probe = psbfb_probe, 532 }; 533 534 static int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev) 535 { 536 struct psb_framebuffer *psbfb = &fbdev->pfb; 537 538 drm_fb_helper_unregister_fbi(&fbdev->psb_fb_helper); 539 drm_fb_helper_release_fbi(&fbdev->psb_fb_helper); 540 541 drm_fb_helper_fini(&fbdev->psb_fb_helper); 542 drm_framebuffer_unregister_private(&psbfb->base); 543 drm_framebuffer_cleanup(&psbfb->base); 544 545 if (psbfb->gtt) 546 drm_gem_object_unreference_unlocked(&psbfb->gtt->gem); 547 return 0; 548 } 549 550 int psb_fbdev_init(struct drm_device *dev) 551 { 552 struct psb_fbdev *fbdev; 553 struct drm_psb_private *dev_priv = dev->dev_private; 554 int ret; 555 556 fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL); 557 if (!fbdev) { 558 dev_err(dev->dev, "no memory\n"); 559 return -ENOMEM; 560 } 561 562 dev_priv->fbdev = fbdev; 563 564 drm_fb_helper_prepare(dev, &fbdev->psb_fb_helper, &psb_fb_helper_funcs); 565 566 ret = drm_fb_helper_init(dev, &fbdev->psb_fb_helper, 567 dev_priv->ops->crtcs, INTELFB_CONN_LIMIT); 568 if (ret) 569 goto free; 570 571 ret = drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper); 572 if (ret) 573 goto fini; 574 575 /* disable all the possible outputs/crtcs before entering KMS mode */ 576 drm_helper_disable_unused_functions(dev); 577 578 ret = drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32); 579 if (ret) 580 goto fini; 581 582 return 0; 583 584 fini: 585 drm_fb_helper_fini(&fbdev->psb_fb_helper); 586 free: 587 kfree(fbdev); 588 return ret; 589 } 590 591 static void psb_fbdev_fini(struct drm_device *dev) 592 { 593 struct drm_psb_private *dev_priv = dev->dev_private; 594 595 if (!dev_priv->fbdev) 596 return; 597 598 psb_fbdev_destroy(dev, dev_priv->fbdev); 599 kfree(dev_priv->fbdev); 600 dev_priv->fbdev = NULL; 601 } 602 603 static void psbfb_output_poll_changed(struct drm_device *dev) 604 { 605 struct drm_psb_private *dev_priv = dev->dev_private; 606 struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev; 607 drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper); 608 } 609 610 /** 611 * psb_user_framebuffer_create_handle - add hamdle to a framebuffer 612 * @fb: framebuffer 613 * @file_priv: our DRM file 614 * @handle: returned handle 615 * 616 * Our framebuffer object is a GTT range which also contains a GEM 617 * object. We need to turn it into a handle for userspace. GEM will do 618 * the work for us 619 */ 620 static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, 621 struct drm_file *file_priv, 622 unsigned int *handle) 623 { 624 struct psb_framebuffer *psbfb = to_psb_fb(fb); 625 struct gtt_range *r = psbfb->gtt; 626 return drm_gem_handle_create(file_priv, &r->gem, handle); 627 } 628 629 /** 630 * psb_user_framebuffer_destroy - destruct user created fb 631 * @fb: framebuffer 632 * 633 * User framebuffers are backed by GEM objects so all we have to do is 634 * clean up a bit and drop the reference, GEM will handle the fallout 635 */ 636 static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb) 637 { 638 struct psb_framebuffer *psbfb = to_psb_fb(fb); 639 struct gtt_range *r = psbfb->gtt; 640 641 /* Let DRM do its clean up */ 642 drm_framebuffer_cleanup(fb); 643 /* We are no longer using the resource in GEM */ 644 drm_gem_object_unreference_unlocked(&r->gem); 645 kfree(fb); 646 } 647 648 static const struct drm_mode_config_funcs psb_mode_funcs = { 649 .fb_create = psb_user_framebuffer_create, 650 .output_poll_changed = psbfb_output_poll_changed, 651 }; 652 653 static void psb_setup_outputs(struct drm_device *dev) 654 { 655 struct drm_psb_private *dev_priv = dev->dev_private; 656 struct drm_connector *connector; 657 658 drm_mode_create_scaling_mode_property(dev); 659 660 /* It is ok for this to fail - we just don't get backlight control */ 661 if (!dev_priv->backlight_property) 662 dev_priv->backlight_property = drm_property_create_range(dev, 0, 663 "backlight", 0, 100); 664 dev_priv->ops->output_init(dev); 665 666 list_for_each_entry(connector, &dev->mode_config.connector_list, 667 head) { 668 struct gma_encoder *gma_encoder = gma_attached_encoder(connector); 669 struct drm_encoder *encoder = &gma_encoder->base; 670 int crtc_mask = 0, clone_mask = 0; 671 672 /* valid crtcs */ 673 switch (gma_encoder->type) { 674 case INTEL_OUTPUT_ANALOG: 675 crtc_mask = (1 << 0); 676 clone_mask = (1 << INTEL_OUTPUT_ANALOG); 677 break; 678 case INTEL_OUTPUT_SDVO: 679 crtc_mask = dev_priv->ops->sdvo_mask; 680 clone_mask = (1 << INTEL_OUTPUT_SDVO); 681 break; 682 case INTEL_OUTPUT_LVDS: 683 crtc_mask = dev_priv->ops->lvds_mask; 684 clone_mask = (1 << INTEL_OUTPUT_LVDS); 685 break; 686 case INTEL_OUTPUT_MIPI: 687 crtc_mask = (1 << 0); 688 clone_mask = (1 << INTEL_OUTPUT_MIPI); 689 break; 690 case INTEL_OUTPUT_MIPI2: 691 crtc_mask = (1 << 2); 692 clone_mask = (1 << INTEL_OUTPUT_MIPI2); 693 break; 694 case INTEL_OUTPUT_HDMI: 695 crtc_mask = dev_priv->ops->hdmi_mask; 696 clone_mask = (1 << INTEL_OUTPUT_HDMI); 697 break; 698 case INTEL_OUTPUT_DISPLAYPORT: 699 crtc_mask = (1 << 0) | (1 << 1); 700 clone_mask = (1 << INTEL_OUTPUT_DISPLAYPORT); 701 break; 702 case INTEL_OUTPUT_EDP: 703 crtc_mask = (1 << 1); 704 clone_mask = (1 << INTEL_OUTPUT_EDP); 705 } 706 encoder->possible_crtcs = crtc_mask; 707 encoder->possible_clones = 708 gma_connector_clones(dev, clone_mask); 709 } 710 } 711 712 void psb_modeset_init(struct drm_device *dev) 713 { 714 struct drm_psb_private *dev_priv = dev->dev_private; 715 struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev; 716 int i; 717 718 drm_mode_config_init(dev); 719 720 dev->mode_config.min_width = 0; 721 dev->mode_config.min_height = 0; 722 723 dev->mode_config.funcs = &psb_mode_funcs; 724 725 /* set memory base */ 726 /* Oaktrail and Poulsbo should use BAR 2*/ 727 pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *) 728 &(dev->mode_config.fb_base)); 729 730 /* num pipes is 2 for PSB but 1 for Mrst */ 731 for (i = 0; i < dev_priv->num_pipe; i++) 732 psb_intel_crtc_init(dev, i, mode_dev); 733 734 dev->mode_config.max_width = 4096; 735 dev->mode_config.max_height = 4096; 736 737 psb_setup_outputs(dev); 738 739 if (dev_priv->ops->errata) 740 dev_priv->ops->errata(dev); 741 742 dev_priv->modeset = true; 743 } 744 745 void psb_modeset_cleanup(struct drm_device *dev) 746 { 747 struct drm_psb_private *dev_priv = dev->dev_private; 748 if (dev_priv->modeset) { 749 drm_kms_helper_poll_fini(dev); 750 psb_fbdev_fini(dev); 751 drm_mode_config_cleanup(dev); 752 } 753 } 754