FreeBSD/Linux Kernel Cross Reference
sys/dev/fdc/fdcvar.h
1 /*-
2 * Copyright (c) 2004 M. Warner Losh.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: releng/5.3/sys/dev/fdc/fdcvar.h 135415 2004-09-18 04:57:55Z imp $
29 */
30
31 /* XXX should audit this file to see if additional copyrights needed */
32
33 enum fdc_type {
34 FDC_NE765, FDC_ENHANCED, FDC_UNKNOWN = -1
35 };
36
37 /*
38 * Per controller structure (softc).
39 */
40 struct fdc_data {
41 int fdcu; /* our unit number */
42 int dmachan;
43 int flags;
44 #define FDC_HASDMA 0x01
45 #define FDC_STAT_VALID 0x08
46 #define FDC_HAS_FIFO 0x10
47 #define FDC_NEEDS_RESET 0x20
48 #define FDC_NODMA 0x40
49 struct fd_data *fd; /* The active drive */
50 int retry;
51 int fdout; /* mirror of the w/o digital output reg */
52 u_int status[7]; /* copy of the registers */
53 enum fdc_type fdct; /* chip version of FDC */
54 int fdc_errs; /* number of logged errors */
55 struct bio_queue_head head;
56 struct bio *bp; /* active buffer */
57 struct resource *res_ioport, *res_sts, *res_ctl, *res_irq, *res_drq;
58 int rid_ioport, rid_sts, rid_ctl, rid_irq, rid_drq;
59 bus_space_tag_t portt;
60 bus_space_handle_t porth;
61 bus_space_tag_t stst;
62 bus_space_handle_t stsh;
63 bus_space_tag_t ctlt;
64 bus_space_handle_t ctlh;
65 int port_off;
66 int ctl_off;
67 int sts_off;
68 void *fdc_intr;
69 struct device *fdc_dev;
70 struct mtx fdc_mtx;
71 struct proc *fdc_thread;
72 };
73
74 extern devclass_t fdc_devclass;
75
76 enum fdc_device_ivars {
77 FDC_IVAR_FDUNIT,
78 FDC_IVAR_FDTYPE,
79 };
80
81 __BUS_ACCESSOR(fdc, fdunit, FDC, FDUNIT, int);
82 __BUS_ACCESSOR(fdc, fdtype, FDC, FDTYPE, int);
83
84 void fdc_release_resources(struct fdc_data *);
85 int fdc_attach(device_t);
86 int fdc_hints_probe(device_t);
87 int fdc_detach(device_t dev);
88 device_t fdc_add_child(device_t, const char *, int);
89 int fdc_initial_reset(device_t, struct fdc_data *);
90 int fdc_print_child(device_t, device_t);
91 int fdc_read_ivar(device_t, device_t, int, uintptr_t *);
92 int fdc_write_ivar(device_t, device_t, int, uintptr_t);
93 int fdc_isa_alloc_resources(device_t, struct fdc_data *);
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