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/*-
* 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 *);
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