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Diffstat (limited to 'sys/i386/isa/isa_device.h')
| -rw-r--r-- | sys/i386/isa/isa_device.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/sys/i386/isa/isa_device.h b/sys/i386/isa/isa_device.h new file mode 100644 index 000000000000..eea71ecf8286 --- /dev/null +++ b/sys/i386/isa/isa_device.h @@ -0,0 +1,85 @@ +/*- + * Copyright (c) 1991 The Regents of the University of California. + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * @(#)isa_device.h 7.1 (Berkeley) 5/9/91 + * + * PATCHES MAGIC LEVEL PATCH THAT GOT US HERE + * -------------------- ----- ---------------------- + * CURRENT PATCH LEVEL: 2 00163 + * -------------------- ----- ---------------------- + * + * 27 Feb 93 Chris Demetriou Add proper flag handling. + * 10 Mar 93 Rodney W. Grimes Fixed isa_device->id_irq to be + * the u_short instead of short. This + * enables us to use irq15! + * 27 May 93 Guido van Rooij Add prototype find_isadev() + * + */ + +/* + * ISA Bus Autoconfiguration + */ + +/* + * Per device structure. + */ +struct isa_device { + struct isa_driver *id_driver; + short id_iobase; /* base i/o address */ + u_short id_irq; /* interrupt request */ + short id_drq; /* DMA request */ + caddr_t id_maddr; /* physical i/o memory address on bus (if any)*/ + int id_msize; /* size of i/o memory */ + int (*id_intr)(); /* interrupt interface routine */ + int id_unit; /* unit number */ + int id_flags; /* flags */ + int id_scsiid; /* scsi id if needed */ + int id_alive; /* device is present */ +}; + +/* + * Per-driver structure. + * + * Each device driver defines entries for a set of routines + * as well as an array of types which are acceptable to it. + * These are used at boot time by the configuration program. + */ +struct isa_driver { + int (*probe)(); /* test whether device is present */ + int (*attach)(); /* setup driver for a device */ + char *name; /* device name */ +}; + +extern struct isa_device isa_devtab_bio[], isa_devtab_tty[], isa_devtab_net[], + isa_devtab_null[]; + +extern struct isa_device *find_isadev(/* table, driver, unit*/); |