2 * Copyright (c) 2012 Robert N. M. Watson
5 * This software was developed by SRI International and the University of
6 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
7 * ("CTSRD"), as part of the DARPA CRASH research programme.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #ifndef _DEV_ALTERA_AVALON_H_
34 #define _DEV_ALTERA_AVALON_H_
36 struct altera_avgen_softc {
44 * The device node and memory-mapped I/O region.
46 struct cdev *avg_cdev;
47 struct resource *avg_res;
51 * Access properties configured by device.hints.
58 * Various flags extracted from device.hints to configure operations on the
61 #define ALTERA_AVALON_FLAG_READ 0x01
62 #define ALTERA_AVALON_FLAG_WRITE 0x02
63 #define ALTERA_AVALON_FLAG_MMAP_READ 0x04
64 #define ALTERA_AVALON_FLAG_MMAP_WRITE 0x08
65 #define ALTERA_AVALON_FLAG_MMAP_EXEC 0x10
67 #define ALTERA_AVALON_CHAR_READ 'r'
68 #define ALTERA_AVALON_CHAR_WRITE 'w'
69 #define ALTERA_AVALON_CHAR_EXEC 'x'
71 #define ALTERA_AVALON_STR_WIDTH "width"
72 #define ALTERA_AVALON_STR_FILEIO "fileio"
73 #define ALTERA_AVALON_STR_MMAPIO "mmapio"
74 #define ALTERA_AVALON_STR_DEVNAME "devname"
75 #define ALTERA_AVALON_STR_DEVUNIT "devunit"
78 * Driver setup routines from the bus attachment/teardown.
80 int altera_avgen_attach(struct altera_avgen_softc *sc,
81 const char *str_fileio, const char *str_mmapio,
82 const char *str_devname, int devunit);
83 void altera_avgen_detach(struct altera_avgen_softc *sc);
85 extern devclass_t altera_avgen_devclass;
87 #endif /* _DEV_ALTERA_AVALON_H_ */