8177437d85
Exceptions:
Vinum untouched. This means that it cannot be compiled.
Greg Lehey is on the case.
CCD not converted yet, casts to struct buf (still safe)
atapi-cd casts to struct buf to examine B_PHYS
117 lines
4.1 KiB
C
117 lines
4.1 KiB
C
/*-
|
|
* Copyright (c) 1990 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.
|
|
*
|
|
* from: @(#)fd.c 7.4 (Berkeley) 5/25/91
|
|
* $FreeBSD$
|
|
*
|
|
*/
|
|
|
|
enum fdc_type
|
|
{
|
|
FDC_NE765, FDC_I82077, FDC_NE72065, FDC_UNKNOWN = -1
|
|
};
|
|
|
|
|
|
/***********************************************************************\
|
|
* Per controller structure. *
|
|
\***********************************************************************/
|
|
struct fdc_data
|
|
{
|
|
int fdcu; /* our unit number */
|
|
int dmachan;
|
|
int flags;
|
|
#define FDC_ATTACHED 0x01
|
|
#define FDC_STAT_VALID 0x08
|
|
#define FDC_HAS_FIFO 0x10
|
|
#define FDC_NEEDS_RESET 0x20
|
|
#define FDC_NODMA 0x40
|
|
#define FDC_ISPNP 0x80
|
|
#define FDC_ISPCMCIA 0x100
|
|
struct fd_data *fd;
|
|
int fdu; /* the active drive */
|
|
int state;
|
|
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_ioport, *res_ctl, *res_irq, *res_drq;
|
|
int rid_ioport, rid_ctl, rid_irq, rid_drq;
|
|
int port_off;
|
|
bus_space_tag_t portt;
|
|
bus_space_handle_t porth;
|
|
bus_space_tag_t ctlt;
|
|
bus_space_handle_t ctlh;
|
|
void *fdc_intr;
|
|
struct device *fdc_dev;
|
|
void (*fdctl_wr)(struct fdc_data *fdc, u_int8_t v);
|
|
};
|
|
|
|
/***********************************************************************\
|
|
* Throughout this file the following conventions will be used: *
|
|
* fd is a pointer to the fd_data struct for the drive in question *
|
|
* fdc is a pointer to the fdc_data struct for the controller *
|
|
* fdu is the floppy drive unit number *
|
|
* fdcu is the floppy controller unit number *
|
|
* fdsu is the floppy drive unit number on that controller. (sub-unit) *
|
|
\***********************************************************************/
|
|
typedef int fdu_t;
|
|
typedef int fdcu_t;
|
|
typedef int fdsu_t;
|
|
typedef struct fd_data *fd_p;
|
|
typedef struct fdc_data *fdc_p;
|
|
typedef enum fdc_type fdc_t;
|
|
|
|
#define FDUNIT(s) (((s) >> 6) & 3)
|
|
#define FDTYPE(s) ((s) & 0x3f)
|
|
|
|
/*
|
|
* fdc maintains a set (1!) of ivars per child of each controller.
|
|
*/
|
|
enum fdc_device_ivars {
|
|
FDC_IVAR_FDUNIT,
|
|
};
|
|
|
|
/*
|
|
* Simple access macros for the ivars.
|
|
*/
|
|
#define FDC_ACCESSOR(A, B, T) \
|
|
static __inline T fdc_get_ ## A(device_t dev) \
|
|
{ \
|
|
uintptr_t v; \
|
|
BUS_READ_IVAR(device_get_parent(dev), dev, FDC_IVAR_ ## B, &v); \
|
|
return (T) v; \
|
|
}
|
|
FDC_ACCESSOR(fdunit, FDUNIT, int)
|