altera_avgen.h revision 245380
1/*- 2 * Copyright (c) 2012 Robert N. M. Watson 3 * All rights reserved. 4 * 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. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 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. 17 * 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 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD: head/sys/dev/altera/avgen/altera_avgen.h 245380 2013-01-13 16:57:11Z rwatson $ 31 */ 32 33#ifndef _DEV_ALTERA_AVALON_H_ 34#define _DEV_ALTERA_AVALON_H_ 35 36struct altera_avgen_softc { 37 /* 38 * Bus-related fields. 39 */ 40 device_t avg_dev; 41 int avg_unit; 42 43 /* 44 * The device node and memory-mapped I/O region. 45 */ 46 struct cdev *avg_cdev; 47 struct resource *avg_res; 48 int avg_rid; 49 50 /* 51 * Access properties configured by device.hints. 52 */ 53 u_int avg_flags; 54 u_int avg_width; 55}; 56 57/* 58 * Various flags extracted from device.hints to configure operations on the 59 * device. 60 */ 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 66 67#define ALTERA_AVALON_CHAR_READ 'r' 68#define ALTERA_AVALON_CHAR_WRITE 'w' 69#define ALTERA_AVALON_CHAR_EXEC 'x' 70 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" 76 77/* 78 * Driver setup routines from the bus attachment/teardown. 79 */ 80int altera_avgen_attach(struct altera_avgen_softc *sc, 81 const char *str_fileio, const char *str_mmapio, 82 const char *str_devname, int devunit); 83void altera_avgen_detach(struct altera_avgen_softc *sc); 84 85extern devclass_t altera_avgen_devclass; 86 87#endif /* _DEV_ALTERA_AVALON_H_ */ 88