1/* $FreeBSD: head/sys/dev/bktr/bktr_os.c 107699 2002-12-09 09:04:09Z roger $ */
2
3/*
4 * This is part of the Driver for Video Capture Cards (Frame grabbers)
5 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
6 * chipset.
7 * Copyright Roger Hardiman and Amancio Hasty.
8 *
9 * bktr_os : This has all the Operating System dependant code,

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489 if (bt848_i2c_detach(dev))
490 printf("bktr%d: i2c_attach: can't attach\n", unit);
491#endif
492
493 /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */
494 /* The memory is retained by the bktr_mem module so we can unload and */
495 /* then reload the main bktr driver module */
496
497 /* Unregister the /dev/bktrN, tunerN and vbiN devices,
498 * the aliases for unit 0 are automatically destroyed */
499 destroy_dev(bktr->vbidev);
500 destroy_dev(bktr->tunerdev);
501 destroy_dev(bktr->bktrdev);
502
503 /*
504 * Deallocate resources.
505 */
506 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih);
507 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq);
508 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem);
509
510 return 0;

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