/**************************************************************************** * Copyright (C) 2003-2006 by XGI Technology, Taiwan. * * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation on the rights to use, copy, modify, merge, * publish, distribute, sublicense, and/or sell copies of the Software, * and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial * portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * XGI AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. ***************************************************************************/ #include "drmP.h" #include "drm.h" #include "xgi_drv.h" #include "xgi_regs.h" #include "xgi_misc.h" #include "xgi_cmdlist.h" #include "drm_pciids.h" static struct pci_device_id pciidlist[] = { xgi_PCI_IDS }; extern struct drm_fence_driver xgi_fence_driver; int xgi_bootstrap(struct drm_device *, void *, struct drm_file *); static struct drm_ioctl_desc xgi_ioctls[] = { DRM_IOCTL_DEF(DRM_XGI_BOOTSTRAP, xgi_bootstrap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_XGI_ALLOC, xgi_alloc_ioctl, DRM_AUTH), DRM_IOCTL_DEF(DRM_XGI_FREE, xgi_free_ioctl, DRM_AUTH), DRM_IOCTL_DEF(DRM_XGI_SUBMIT_CMDLIST, xgi_submit_cmdlist, DRM_AUTH), DRM_IOCTL_DEF(DRM_XGI_STATE_CHANGE, xgi_state_change_ioctl, DRM_AUTH|DRM_MASTER), }; static const int xgi_max_ioctl = DRM_ARRAY_SIZE(xgi_ioctls); static int probe(struct pci_dev *pdev, const struct pci_device_id *ent); static int xgi_driver_load(struct drm_device *dev, unsigned long flags); static int xgi_driver_unload(struct drm_device *dev); static void xgi_driver_lastclose(struct drm_device * dev); static void xgi_reclaim_buffers_locked(struct drm_device * dev, struct drm_file * filp); static irqreturn_t xgi_kern_isr(DRM_IRQ_ARGS); static struct drm_driver driver = { .driver_features = DRIVER_PCI_DMA | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_SG, .dev_priv_size = sizeof(struct xgi_info), .load = xgi_driver_load, .unload = xgi_driver_unload, .lastclose = xgi_driver_lastclose, .dma_quiescent = NULL, .irq_preinstall = NULL, .irq_postinstall = NULL, .irq_uninstall = NULL, .irq_handler = xgi_kern_isr, .reclaim_buffers = drm_core_reclaim_buffers, .reclaim_buffers_idlelocked = xgi_reclaim_buffers_locked, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, .ioctls = xgi_ioctls, .dma_ioctl = NULL, .fops = { .owner = THIS_MODULE, .open = drm_open, .release = drm_release, .ioctl = drm_ioctl, .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, #if defined(CONFIG_COMPAT) && LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9) .compat_ioctl = xgi_compat_ioctl, #endif }, .pci_driver = { .name = DRIVER_NAME, .id_table = pciidlist, .probe = probe, .remove = __devexit_p(drm_cleanup_pci), }, .fence_driver = &xgi_fence_driver, .name = DRIVER_NAME, .desc = DRIVER_DESC, .date = DRIVER_DATE, .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, }; static int probe(struct pci_dev *pdev, const struct pci_device_id *ent) { return drm_get_dev(pdev, ent, &driver); } static int __init xgi_init(void) { driver.num_ioctls = xgi_max_ioctl; return drm_init(&driver, pciidlist); } static void __exit xgi_exit(void) { drm_exit(&driver); } module_init(xgi_init); module_exit(xgi_exit); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL and additional rights"); void xgi_engine_init(struct xgi_info * info) { u8 temp; OUT3C5B(info->mmio_map, 0x11, 0x92); /* -------> copy from OT2D * PCI Retry Control Register. * disable PCI read retry & enable write retry in mem. (10xx xxxx)b */ temp = IN3X5B(info->mmio_map, 0x55); OUT3X5B(info->mmio_map, 0x55, (temp & 0xbf) | 0x80); xgi_enable_ge(info); /* Enable linear addressing of the card. */ temp = IN3X5B(info->mmio_map, 0x21); OUT3X5B(info->mmio_map, 0x21, temp | 0x20); /* Enable 32-bit internal data path */ temp = IN3X5B(info->mmio_map, 0x2A); OUT3X5B(info->mmio_map, 0x2A, temp | 0x40); /* Enable PCI burst write ,disable burst read and enable MMIO. */ /* * 0x3D4.39 Enable PCI burst write, disable burst read and enable MMIO. * 7 ---- Pixel Data Format 1: big endian 0: little endian * 6 5 4 3---- Memory Data with Big Endian Format, BE[3:0]# with Big Endian Format * 2 ---- PCI Burst Write Enable * 1 ---- PCI Burst Read Enable * 0 ---- MMIO Control */ temp = IN3X5B(info->mmio_map, 0x39); OUT3X5B(info->mmio_map, 0x39, (temp | 0x05) & 0xfd); /* enable GEIO decode */ /* temp = IN3X5B(info->mmio_map, 0x29); * OUT3X5B(info->mmio_map, 0x29, temp | 0x08); */ /* Enable graphic engine I/O PCI retry function*/ /* temp = IN3X5B(info->mmio_map, 0x62); * OUT3X5B(info->mmio_map, 0x62, temp | 0x50); */ /* protect all register except which protected by 3c5.0e.7 */ /* OUT3C5B(info->mmio_map, 0x11, 0x87); */ } int xgi_bootstrap(struct drm_device * dev, void * data, struct drm_file * filp) { struct xgi_info *info = dev->dev_private; struct xgi_bootstrap * bs = (struct xgi_bootstrap *) data; struct drm_map_list *maplist; int err; DRM_SPININIT(&info->fence_lock, "fence lock"); info->next_sequence = 0; info->complete_sequence = 0; if (info->mmio_map == NULL) { err = drm_addmap(dev, info->mmio.base, info->mmio.size, _DRM_REGISTERS, _DRM_KERNEL, &info->mmio_map); if (err) { DRM_ERROR("Unable to map MMIO region: %d\n", err); return err; } xgi_enable_mmio(info); xgi_engine_init(info); } info->fb.size = IN3CFB(info->mmio_map, 0x54) * 8 * 1024 * 1024; DRM_INFO("fb base: 0x%lx, size: 0x%x (probed)\n", (unsigned long) info->fb.base, info->fb.size); if ((info->fb.base == 0) || (info->fb.size == 0)) { DRM_ERROR("framebuffer appears to be wrong: 0x%lx 0x%x\n", (unsigned long) info->fb.base, info->fb.size); return -EINVAL; } /* Init the resource manager */ if (!info->fb_heap_initialized) { err = xgi_fb_heap_init(info); if (err) { DRM_ERROR("Unable to initialize FB heap.\n"); return err; } } info->pcie.size = bs->gart.size; /* Init the resource manager */ if (!info->pcie_heap_initialized) { err = xgi_pcie_heap_init(info); if (err) { DRM_ERROR("Unable to initialize GART heap.\n"); return err; } /* Alloc 1M bytes for cmdbuffer which is flush2D batch array */ err = xgi_cmdlist_initialize(info, 0x100000, filp); if (err) { DRM_ERROR("xgi_cmdlist_initialize() failed\n"); return err; } } if (info->pcie_map == NULL) { err = drm_addmap(info->dev, 0, info->pcie.size, _DRM_SCATTER_GATHER, _DRM_LOCKED, & info->pcie_map); if (err) { DRM_ERROR("Could not add map for GART backing " "store.\n"); return err; } } maplist = drm_find_matching_map(dev, info->pcie_map); if (maplist == NULL) { DRM_ERROR("Could not find GART backing store map.\n"); return -EINVAL; } bs->gart = *info->pcie_map; bs->gart.handle = (void *)(unsigned long) maplist->user_token; return 0; } void xgi_driver_lastclose(struct drm_device * dev) { struct xgi_info * info = dev->dev_private; if (info != NULL) { if (info->mmio_map != NULL) { xgi_cmdlist_cleanup(info); xgi_disable_ge(info); xgi_disable_mmio(info); } /* The core DRM lastclose routine will destroy all of our * mappings for us. NULL out the pointers here so that * xgi_bootstrap can do the right thing. */ info->pcie_map = NULL; info->mmio_map = NULL; info->fb_map = NULL; if (info->pcie_heap_initialized) { drm_ati_pcigart_cleanup(dev, &info->gart_info); } if (info->fb_heap_initialized || info->pcie_heap_initialized) { drm_sman_cleanup(&info->sman); info->fb_heap_initialized = FALSE; info->pcie_heap_initialized = FALSE; } } } void xgi_reclaim_buffers_locked(struct drm_device * dev, struct drm_file * filp) { struct xgi_info * info = dev->dev_private; mutex_lock(&info->dev->struct_mutex); if (drm_sman_owner_clean(&info->sman, (unsigned long) filp)) { mutex_unlock(&info->dev->struct_mutex); return; } if (dev->driver->dma_quiescent) { dev->driver->dma_quiescent(dev); } drm_sman_owner_cleanup(&info->sman, (unsigned long) filp); mutex_unlock(&info->dev->struct_mutex); return; } /* * driver receives an interrupt if someone waiting, then hand it off. */ irqreturn_t xgi_kern_isr(DRM_IRQ_ARGS) { struct drm_device *dev = (struct drm_device *) arg; struct xgi_info *info = dev->dev_private; const u32 irq_bits = le32_to_cpu(DRM_READ32(info->mmio_map, (0x2800 + M2REG_AUTO_LINK_STATUS_ADDRESS))) & (M2REG_ACTIVE_TIMER_INTERRUPT_MASK | M2REG_ACTIVE_INTERRUPT_0_MASK | M2REG_ACTIVE_INTERRUPT_2_MASK | M2REG_ACTIVE_INTERRUPT_3_MASK); if (irq_bits != 0) { DRM_WRITE32(info->mmio_map, 0x2800 + M2REG_AUTO_LINK_SETTING_ADDRESS, cpu_to_le32(M2REG_AUTO_LINK_SETTING_COMMAND | irq_bits)); xgi_fence_handler(dev); return IRQ_HANDLED; } else { return IRQ_NONE; } } int xgi_driver_load(struct drm_device *dev, unsigned long flags) { struct xgi_info *info = drm_alloc(sizeof(*info), DRM_MEM_DRIVER); int err; if (!info) return -ENOMEM; (void) memset(info, 0, sizeof(*info)); dev->dev_private = info; info->dev = dev; info->mmio.base = drm_get_resource_start(dev, 1); info->mmio.size = drm_get_resource_len(dev, 1); DRM_INFO("mmio base: 0x%lx, size: 0x%x\n", (unsigned long) info->mmio.base, info->mmio.size); if ((info->mmio.base == 0) || (info->mmio.size == 0)) { DRM_ERROR("mmio appears to be wrong: 0x%lx 0x%x\n", (unsigned long) info->mmio.base, info->mmio.size); err = -EINVAL; goto fail; } info->fb.base = drm_get_resource_start(dev, 0); info->fb.size = drm_get_resource_len(dev, 0); DRM_INFO("fb base: 0x%lx, size: 0x%x\n", (unsigned long) info->fb.base, info->fb.size); err = drm_sman_init(&info->sman, 2, 12, 8); if (err) { goto fail; } return 0; fail: drm_free(info, sizeof(*info), DRM_MEM_DRIVER); return err; } int xgi_driver_unload(struct drm_device *dev) { struct xgi_info * info = dev->dev_private; drm_sman_takedown(&info->sman); drm_free(info, sizeof(*info), DRM_MEM_DRIVER); dev->dev_private = NULL; return 0; } 48 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <regex>
#include <set>
#include <chrono>

#include <sys/select.h>

#include <kms++/kms++.h>
#include <kms++/modedb.h>

#include <kms++util/kms++util.h>

using namespace std;
using namespace kms;

struct PlaneInfo
{
	Plane* plane;

	unsigned x;
	unsigned y;
	unsigned w;
	unsigned h;

	vector<DumbFramebuffer*> fbs;
};

struct OutputInfo
{
	Connector* connector;

	Crtc* crtc;
	Plane* primary_plane;
	Videomode mode;
	bool user_set_crtc;
	vector<DumbFramebuffer*> fbs;

	vector<PlaneInfo> planes;
};

static bool s_use_dmt;
static bool s_use_cea;
static unsigned s_num_buffers = 1;
static bool s_flip_mode;
static bool s_flip_sync;

static set<Crtc*> s_used_crtcs;
static set<Plane*> s_used_planes;

__attribute__ ((unused))
static void print_regex_match(smatch sm)
{
	for (unsigned i = 0; i < sm.size(); ++i) {
		string str = sm[i].str();
		printf("%u: %s\n", i, str.c_str());
	}
}

static void get_default_connector(Card& card, OutputInfo& output)
{
	output.connector = card.get_first_connected_connector();
	output.mode = output.connector->get_default_mode();
}

static void parse_connector(Card& card, const string& str, OutputInfo& output)
{
	Connector* conn = resolve_connector(card, str);

	if (!conn)
		EXIT("No connector '%s'", str.c_str());

	if (!conn->connected())
		EXIT("Connector '%s' not connected", conn->fullname().c_str());

	output.connector = conn;
	output.mode = output.connector->get_default_mode();
}

static void get_default_crtc(Card& card, OutputInfo& output)
{
	Crtc* crtc = output.connector->get_current_crtc();

	if (crtc && s_used_crtcs.find(crtc) == s_used_crtcs.end()) {
		s_used_crtcs.insert(crtc);
		output.crtc = crtc;
		return;
	}

	for (const auto& possible : output.connector->get_possible_crtcs()) {
		if (s_used_crtcs.find(possible) == s_used_crtcs.end()) {
			s_used_crtcs.insert(possible);
			output.crtc = possible;
			return;
		}
	}

	EXIT("Could not find available crtc");
}

static void parse_crtc(Card& card, const string& crtc_str, OutputInfo& output)
{
	// @12:1920x1200i@60
	// @12:33000000,800/210/30/16/-,480/22/13/10/-,i

	const regex modename_re("(?:(@?)(\\d+):)?"	// @12:
				"(?:(\\d+)x(\\d+)(i)?)"	// 1920x1200i
				"(?:@([\\d\\.]+))?");	// @60

	const regex modeline_re("(?:(@?)(\\d+):)?"			// @12:
				"(\\d+),"				// 33000000,
				"(\\d+)/(\\d+)/(\\d+)/(\\d+)/([+-]),"	// 800/210/30/16/-,
				"(\\d+)/(\\d+)/(\\d+)/(\\d+)/([+-])"	// 480/22/13/10/-
				"(?:,([i]+))?"				// ,i
				);

	smatch sm;
	if (regex_match(crtc_str, sm, modename_re)) {
		if (sm[2].matched) {
			bool use_id = sm[1].length() == 1;
			unsigned num = stoul(sm[2].str());

			if (use_id) {
				Crtc* c = card.get_crtc(num);
				if (!c)
					EXIT("Bad crtc id '%u'", num);

				output.crtc = c;
			} else {
				auto crtcs = card.get_crtcs();

				if (num >= crtcs.size())
					EXIT("Bad crtc number '%u'", num);

				output.crtc = crtcs[num];
			}
		} else {
			output.crtc = output.connector->get_current_crtc();
		}

		unsigned w = stoul(sm[3]);
		unsigned h = stoul(sm[4]);
		bool ilace = sm[5].matched ? true : false;
		float refresh = sm[6].matched ? stof(sm[6]) : 0;

		bool found_mode = false;

		try {
			output.mode = output.connector->get_mode(w, h, refresh, ilace);
			found_mode = true;
		} catch (exception& e) { }

		if (!found_mode && s_use_dmt) {
			try {
				output.mode = find_dmt(w, h, refresh, ilace);
				found_mode = true;
				printf("Found mode from DMT\n");
			} catch (exception& e) { }
		}

		if (!found_mode && s_use_cea) {
			try {
				output.mode = find_cea(w, h, refresh, ilace);
				found_mode = true;
				printf("Found mode from CEA\n");
			} catch (exception& e) { }
		}

		if (!found_mode)
			throw invalid_argument("Mode not found");
	} else if (regex_match(crtc_str, sm, modeline_re)) {
		if (sm[2].matched) {
			bool use_id = sm[1].length() == 1;
			unsigned num = stoul(sm[2].str());

			if (use_id) {
				Crtc* c = card.get_crtc(num);
				if (!c)
					EXIT("Bad crtc id '%u'", num);

				output.crtc = c;
			} else {
				auto crtcs = card.get_crtcs();

				if (num >= crtcs.size())
					EXIT("Bad crtc number '%u'", num);

				output.crtc = crtcs[num];
			}
		} else {
			output.crtc = output.connector->get_current_crtc();
		}

		unsigned clock = stoul(sm[3]);

		unsigned hact = stoul(sm[4]);
		unsigned hfp = stoul(sm[5]);
		unsigned hsw = stoul(sm[6]);
		unsigned hbp = stoul(sm[7]);
		bool h_pos_sync = sm[8] == "+" ? true : false;

		unsigned vact = stoul(sm[9]);
		unsigned vfp = stoul(sm[10]);
		unsigned vsw = stoul(sm[11]);
		unsigned vbp = stoul(sm[12]);
		bool v_pos_sync = sm[13] == "+" ? true : false;

		output.mode = videomode_from_timings(clock / 1000, hact, hfp, hsw, hbp, vact, vfp, vsw, vbp);
		output.mode.set_hsync(h_pos_sync ? SyncPolarity::Positive : SyncPolarity::Negative);
		output.mode.set_vsync(v_pos_sync ? SyncPolarity::Positive : SyncPolarity::Negative);

		if (sm[14].matched) {
			for (int i = 0; i < sm[14].length(); ++i) {
				char f = string(sm[14])[i];

				switch (f) {
				case 'i':
					output.mode.set_interlace(true);
					break;
				default:
					EXIT("Bad mode flag %c", f);
				}
			}
		}
	} else {
		EXIT("Failed to parse crtc option '%s'", crtc_str.c_str());
	}
}

static void parse_plane(Card& card, const string& plane_str, const OutputInfo& output, PlaneInfo& pinfo)
{
	// 3:400,400-400x400
	const regex plane_re("(?:(@?)(\\d+):)?"		// 3:
			     "(?:(\\d+),(\\d+)-)?"	// 400,400-
			     "(\\d+)x(\\d+)");		// 400x400

	smatch sm;
	if (!regex_match(plane_str, sm, plane_re))
		EXIT("Failed to parse plane option '%s'", plane_str.c_str());

	if (sm[2].matched) {
		bool use_id = sm[1].length() == 1;
		unsigned num = stoul(sm[2].str());

		if (use_id) {
			Plane* p = card.get_plane(num);
			if (!p)
				EXIT("Bad plane id '%u'", num);

			pinfo.plane = p;
		} else {
			auto planes = card.get_planes();

			if (num >= planes.size())
				EXIT("Bad plane number '%u'", num);

			pinfo.plane = planes[num];
		}
	} else {
		for (Plane* p : output.crtc->get_possible_planes()) {
			if (s_used_planes.find(p) != s_used_planes.end())
				continue;

			if (p->plane_type() != PlaneType::Overlay)
				continue;

			pinfo.plane = p;
		}

		if (!pinfo.plane)
			EXIT("Failed to find available plane");
	}

	s_used_planes.insert(pinfo.plane);

	pinfo.w = stoul(sm[5]);
	pinfo.h = stoul(sm[6]);

	if (sm[3].matched)
		pinfo.x = stoul(sm[3]);
	else
		pinfo.x = output.mode.hdisplay / 2 - pinfo.w / 2;

	if (sm[4].matched)
		pinfo.y = stoul(sm[4]);
	else
		pinfo.y = output.mode.vdisplay / 2 - pinfo.h / 2;
}

static vector<DumbFramebuffer*> get_default_fb(Card& card, unsigned width, unsigned height)
{
	vector<DumbFramebuffer*> v;

	for (unsigned i = 0; i < s_num_buffers; ++i)
		v.push_back(new DumbFramebuffer(card, width, height, PixelFormat::XRGB8888));

	return v;
}

static vector<DumbFramebuffer*> parse_fb(Card& card, const string& fb_str, unsigned def_w, unsigned def_h)
{
	unsigned w = def_w;
	unsigned h = def_h;
	PixelFormat format = PixelFormat::XRGB8888;

	if (!fb_str.empty()) {
		// XXX the regexp is not quite correct
		// 400x400-NV12
		const regex fb_re("(?:(\\d+)x(\\d+))?"		// 400x400
				  "(?:-)?"			// -
				  "(\\w\\w\\w\\w)?");		// NV12

		smatch sm;
		if (!regex_match(fb_str, sm, fb_re))
			EXIT("Failed to parse fb option '%s'", fb_str.c_str());

		if (sm[1].matched)
			w = stoul(sm[1]);
		if (sm[2].matched)
			h = stoul(sm[2]);
		if (sm[3].matched)
			format = FourCCToPixelFormat(sm[3]);
	}

	vector<DumbFramebuffer*> v;

	for (unsigned i = 0; i < s_num_buffers; ++i)
		v.push_back(new DumbFramebuffer(card, w, h, format));

	return v;
}

static const char* usage_str =
		"Usage: kmstest [OPTION]...\n\n"
		"Show a test pattern on a display or plane\n\n"
		"Options:\n"
		"      --device=DEVICE       DEVICE is the path to DRM card to open\n"
		"  -c, --connector=CONN      CONN is <connector>\n"
		"  -r, --crtc=CRTC           CRTC is [<crtc>:]<w>x<h>[@<Hz>]\n"
		"                            or\n"
		"                            [<crtc>:]<pclk>,<hact>/<hfp>/<hsw>/<hbp>/<hsp>,<vact>/<vfp>/<vsw>/<vbp>/<vsp>[,i]\n"
		"  -p, --plane=PLANE         PLANE is [<plane>:][<x>,<y>-]<w>x<h>\n"
		"  -f, --fb=FB               FB is [<w>x<h>][-][<4cc>]\n"
		"      --dmt                 Search for the given mode from DMT tables\n"
		"      --cea                 Search for the given mode from CEA tables\n"
		"      --flip                Do page flipping for each output\n"
		"      --sync                Synchronize page flipping\n"
		"\n"
		"<connector>, <crtc> and <plane> can be given by index (<idx>) or id (<id>).\n"
		"<connector> can also be given by name.\n"
		"\n"
		"Options can be given multiple times to set up multiple displays or planes.\n"
		"Options may apply to previous options, e.g. a plane will be set on a crtc set in\n"
		"an earlier option.\n"
		"If you omit parameters, kmstest tries to guess what you mean\n"
		"\n"
		"Examples:\n"
		"\n"
		"Set eDP-1 mode to 1920x1080@60, show XR24 framebuffer on the crtc, and a 400x400 XB24 plane:\n"
		"    kmstest -c eDP-1 -r 1920x1080@60 -f XR24 -p 400x400 -f XB24\n\n"
		"XR24 framebuffer on first connected connector in the default mode:\n"
		"    kmstest -f XR24\n\n"
		"XR24 framebuffer on a 400x400 plane on the first connected connector in the default mode:\n"
		"    kmstest -p 400x400 -f XR24\n\n"
		"Test pattern on the second connector with default mode:\n"
		"    kmstest -c 1\n"
		;

static void usage()
{
	puts(usage_str);
}

enum class ObjectType
{
	Connector,
	Crtc,
	Plane,
	Framebuffer,
};

struct Arg
{
	ObjectType type;
	string arg;
};

static string s_device_path = "/dev/dri/card0";

static vector<Arg> parse_cmdline(int argc, char **argv)
{
	vector<Arg> args;

	OptionSet optionset = {
		Option("|device=",
		[&](string s)
		{
			s_device_path = s;
		}),
		Option("c|connector=",
		[&](string s)
		{
			args.push_back(Arg { ObjectType::Connector, s });
		}),
		Option("r|crtc=", [&](string s)
		{
			args.push_back(Arg { ObjectType::Crtc, s });
		}),
		Option("p|plane=", [&](string s)
		{
			args.push_back(Arg { ObjectType::Plane, s });
		}),
		Option("f|fb=", [&](string s)
		{
			args.push_back(Arg { ObjectType::Framebuffer, s });
		}),
		Option("|dmt", []()
		{
			s_use_dmt = true;
		}),
		Option("|cea", []()
		{
			s_use_cea = true;
		}),
		Option("|flip", []()
		{
			s_flip_mode = true;
			s_num_buffers = 2;
		}),
		Option("|sync", []()
		{
			s_flip_sync = true;
		}),
		Option("h|help", [&]()
		{
			usage();
			exit(-1);
		}),
	};

	optionset.parse(argc, argv);

	if (optionset.params().size() > 0) {
		usage();
		exit(-1);
	}

	return args;
}

static vector<OutputInfo> setups_to_outputs(Card& card, const vector<Arg>& output_args)
{
	vector<OutputInfo> outputs;

	if (output_args.size() == 0) {
		// no output args, show a pattern on all screens
		for (auto& pipe : card.get_connected_pipelines()) {
			OutputInfo output = { };
			output.connector = pipe.connector;
			output.crtc = pipe.crtc;
			output.mode = output.connector->get_default_mode();

			output.fbs = get_default_fb(card, output.mode.hdisplay, output.mode.vdisplay);

			outputs.push_back(output);
		}

		return outputs;
	}

	OutputInfo* current_output = 0;
	PlaneInfo* current_plane = 0;

	for (auto& arg : output_args) {
		switch (arg.type) {
		case ObjectType::Connector:
		{
			outputs.push_back(OutputInfo { });
			current_output = &outputs.back();

			parse_connector(card, arg.arg, *current_output);
			current_plane = 0;

			break;
		}

		case ObjectType::Crtc:
		{
			if (!current_output) {
				outputs.push_back(OutputInfo { });
				current_output = &outputs.back();
			}

			if (!current_output->connector)
				get_default_connector(card, *current_output);

			parse_crtc(card, arg.arg, *current_output);

			current_output->user_set_crtc = true;

			current_plane = 0;

			break;
		}

		case ObjectType::Plane:
		{
			if (!current_output) {
				outputs.push_back(OutputInfo { });
				current_output = &outputs.back();
			}

			if (!current_output->connector)
				get_default_connector(card, *current_output);

			if (!current_output->crtc)
				get_default_crtc(card, *current_output);

			current_output->planes.push_back(PlaneInfo { });
			current_plane = &current_output->planes.back();

			parse_plane(card, arg.arg, *current_output, *current_plane);

			break;
		}

		case ObjectType::Framebuffer:
		{
			if (!current_output) {
				outputs.push_back(OutputInfo { });
				current_output = &outputs.back();
			}

			if (!current_output->connector)
				get_default_connector(card, *current_output);

			if (!current_output->crtc)
				get_default_crtc(card, *current_output);

			int def_w, def_h;

			if (current_plane) {
				def_w = current_plane->w;
				def_h = current_plane->h;
			} else {
				def_w = current_output->mode.hdisplay;
				def_h = current_output->mode.vdisplay;
			}

			auto fbs = parse_fb(card, arg.arg, def_w, def_h);

			if (current_plane)
				current_plane->fbs = fbs;
			else
				current_output->fbs = fbs;

			break;
		}
		}
	}

	// create default framebuffers if needed
	for (OutputInfo& o : outputs) {
		if (!o.crtc) {
			get_default_crtc(card, *current_output);
			o.user_set_crtc = true;
		}

		if (o.fbs.empty() && o.user_set_crtc)
			o.fbs = get_default_fb(card, o.mode.hdisplay, o.mode.vdisplay);

		for (PlaneInfo &p : o.planes) {
			if (p.fbs.empty())
				p.fbs = get_default_fb(card, p.w, p.h);
		}
	}

	return outputs;
}

static std::string videomode_to_string(const Videomode& m)
{
	string h = sformat("%u/%u/%u/%u", m.hdisplay, m.hfp(), m.hsw(), m.hbp());
	string v = sformat("%u/%u/%u/%u", m.vdisplay, m.vfp(), m.vsw(), m.vbp());

	return sformat("%s %.3f %s %s %u (%.2f) %#x %#x",
		       m.name.c_str(),
		       m.clock / 1000.0,
		       h.c_str(), v.c_str(),
		       m.vrefresh, m.calculated_vrefresh(),
		       m.flags,
		       m.type);
}

static void print_outputs(const vector<OutputInfo>& outputs)
{
	for (unsigned i = 0; i < outputs.size(); ++i) {
		const OutputInfo& o = outputs[i];

		printf("Connector %u/@%u: %s\n", o.connector->idx(), o.connector->id(),
		       o.connector->fullname().c_str());
		printf("  Crtc %u/@%u", o.crtc->idx(), o.crtc->id());
		if (o.primary_plane)
			printf(" (plane %u/@%u)", o.primary_plane->idx(), o.primary_plane->id());
		printf(": %s\n", videomode_to_string(o.mode).c_str());
		if (!o.fbs.empty()) {
			auto fb = o.fbs[0];
			printf("    Fb %u %ux%u-%s\n", fb->id(), fb->width(), fb->height(),
			       PixelFormatToFourCC(fb->format()).c_str());
		}

		for (unsigned j = 0; j < o.planes.size(); ++j) {
			const PlaneInfo& p = o.planes[j];
			auto fb = p.fbs[0];
			printf("  Plane %u/@%u: %u,%u-%ux%u\n", p.plane->idx(), p.plane->id(),
			       p.x, p.y, p.w, p.h);
			printf("    Fb %u %ux%u-%s\n", fb->id(), fb->width(), fb->height(),
			       PixelFormatToFourCC(fb->format()).c_str());
		}
	}
}

static void draw_test_patterns(const vector<OutputInfo>& outputs)
{
	for (const OutputInfo& o : outputs) {
		for (auto fb : o.fbs)
			draw_test_pattern(*fb);

		for (const PlaneInfo& p : o.planes)
			for (auto fb : p.fbs)
				draw_test_pattern(*fb);
	}
}

static void set_crtcs_n_planes_legacy(Card& card, const vector<OutputInfo>& outputs)
{
	for (const OutputInfo& o : outputs) {
		auto conn = o.connector;
		auto crtc = o.crtc;

		if (!o.fbs.empty()) {
			auto fb = o.fbs[0];
			int r = crtc->set_mode(conn, *fb, o.mode);
			if (r)
				printf("crtc->set_mode() failed for crtc %u: %s\n",
				       crtc->id(), strerror(-r));
		}

		for (const PlaneInfo& p : o.planes) {
			auto fb = p.fbs[0];
			int r = crtc->set_plane(p.plane, *fb,
						p.x, p.y, p.w, p.h,
						0, 0, fb->width(), fb->height());
			if (r)
				printf("crtc->set_plane() failed for plane %u: %s\n",
				       p.plane->id(), strerror(-r));
		}
	}
}

static void set_crtcs_n_planes(Card& card, const vector<OutputInfo>& outputs)
{
	// Keep blobs here so that we keep ref to them until we have committed the req
	vector<unique_ptr<Blob>> blobs;

	AtomicReq req(card);

	for (const OutputInfo& o : outputs) {
		auto conn = o.connector;
		auto crtc = o.crtc;

		if (!o.fbs.empty()) {
			auto fb = o.fbs[0];

			blobs.emplace_back(o.mode.to_blob(card));
			Blob* mode_blob = blobs.back().get();

			req.add(conn, {
					{ "CRTC_ID", crtc->id() },
				});

			req.add(crtc, {
					{ "ACTIVE", 1 },
					{ "MODE_ID", mode_blob->id() },
				});

			req.add(o.primary_plane, {
					{ "FB_ID", fb->id() },
					{ "CRTC_ID", crtc->id() },
					{ "SRC_X", 0 << 16 },
					{ "SRC_Y", 0 << 16 },
					{ "SRC_W", fb->width() << 16 },
					{ "SRC_H", fb->height() << 16 },
					{ "CRTC_X", 0 },
					{ "CRTC_Y", 0 },
					{ "CRTC_W", fb->width() },
					{ "CRTC_H", fb->height() },
				});
		}

		for (const PlaneInfo& p : o.planes) {
			auto fb = p.fbs[0];

			req.add(p.plane, {
					{ "FB_ID", fb->id() },
					{ "CRTC_ID", crtc->id() },
					{ "SRC_X", 0 << 16 },
					{ "SRC_Y", 0 << 16 },
					{ "SRC_W", fb->width() << 16 },
					{ "SRC_H", fb->height() << 16 },
					{ "CRTC_X", p.x },
					{ "CRTC_Y", p.y },
					{ "CRTC_W", p.w },
					{ "CRTC_H", p.h },
				});
		}
	}

	int r;

	r = req.test(true);
	if (r)
		EXIT("Atomic test failed: %d\n", r);

	r = req.commit_sync(true);
	if (r)
		EXIT("Atomic commit failed: %d\n", r);
}

class FlipState : private PageFlipHandlerBase
{
public:
	FlipState(Card& card, const string& name, vector<const OutputInfo*> outputs)
		: m_card(card), m_name(name), m_outputs(outputs)
	{
	}

	void start_flipping()
	{
		m_prev_frame = m_prev_print = std::chrono::steady_clock::now();
		m_slowest_frame = std::chrono::duration<float>::min();
		m_frame_num = 0;
		queue_next();
	}

private:
	void handle_page_flip(uint32_t frame, double time)
	{
		m_frame_num++;

		auto now = std::chrono::steady_clock::now();

		std::chrono::duration<float> diff = now - m_prev_frame;
		if (diff > m_slowest_frame)
			m_slowest_frame = diff;

		if (m_frame_num  % 100 == 0) {
			std::chrono::duration<float> fsec = now - m_prev_print;
			printf("Connector %s: fps %f, slowest %.2f ms\n",
			       m_name.c_str(),
			       100.0 / fsec.count(),
			       m_slowest_frame.count() * 1000);
			m_prev_print = now;
			m_slowest_frame = std::chrono::duration<float>::min();
		}

		m_prev_frame = now;

		queue_next();