diff options
Diffstat (limited to 'sys/dev/fdc/fdcvar.h')
| -rw-r--r-- | sys/dev/fdc/fdcvar.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/sys/dev/fdc/fdcvar.h b/sys/dev/fdc/fdcvar.h new file mode 100644 index 000000000000..5ab60a6a6443 --- /dev/null +++ b/sys/dev/fdc/fdcvar.h @@ -0,0 +1,91 @@ +/*- + * Copyright (c) 2004-2005 M. Warner Losh. + * All rights reserved. + * + * 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; + struct device *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); +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 *); |