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fdc.c
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fdc_acpi.c
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fdc_isa.c
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fdcvar.h
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Editing: fdcvar.h
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2004-2005 M. Warner Losh <imp@FreeBSD.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ /* XXX should audit this file to see if additional copyrights needed */ enum fdc_type { FDC_NE765, FDC_ENHANCED, FDC_UNKNOWN = -1 }; /* * Per controller structure (softc). */ struct fdc_data { int fdcu; /* our unit number */ int dmachan; int flags; #define FDC_HASDMA 0x01 #define FDC_STAT_VALID 0x08 #define FDC_HAS_FIFO 0x10 #define FDC_NEEDS_RESET 0x20 #define FDC_NODMA 0x40 /* Don't do DMA */ #define FDC_NOFAST 0x80 /* Don't register isr as a fast one */ #define FDC_KTHREAD_EXIT 0x1000 /* request worker thread to stop */ #define FDC_KTHREAD_ALIVE 0x2000 /* worker thread is alive */ struct fd_data *fd; /* The active drive */ int retry; int fdout; /* mirror of the w/o digital output reg */ u_int status[7]; /* copy of the registers */ enum fdc_type fdct; /* chip version of FDC */ int fdc_errs; /* number of logged errors */ struct bio_queue_head head; struct bio *bp; /* active buffer */ struct resource *res_irq, *res_drq; int rid_irq, rid_drq; #define FDC_MAXREG 8 int ridio[FDC_MAXREG]; struct resource *resio[FDC_MAXREG]; bus_space_tag_t iot; bus_space_handle_t ioh[FDC_MAXREG]; int ioff[FDC_MAXREG]; void *fdc_intr; device_t fdc_dev; struct mtx fdc_mtx; struct proc *fdc_thread; }; extern devclass_t fdc_devclass; enum fdc_device_ivars { FDC_IVAR_FDUNIT, FDC_IVAR_FDTYPE, }; __BUS_ACCESSOR(fdc, fdunit, FDC, FDUNIT, int); __BUS_ACCESSOR(fdc, fdtype, FDC, FDTYPE, int); void fdc_release_resources(struct fdc_data *); int fdc_attach(device_t); void fdc_start_worker(device_t); int fdc_hints_probe(device_t); int fdc_detach(device_t dev); device_t fdc_add_child(device_t, const char *, int); int fdc_initial_reset(device_t, struct fdc_data *); int fdc_print_child(device_t, device_t); int fdc_read_ivar(device_t, device_t, int, uintptr_t *); int fdc_write_ivar(device_t, device_t, int, uintptr_t); int fdc_isa_alloc_resources(device_t, struct fdc_data *);
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