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freebsd/sys/dev/altera/avgen/altera_avgen.h
Robert Watson 6a347d023b Merge Perforce changeset 219952 to head:
Make different bus attachments for Altera and Terasice
  device drivers share the same devclass_t.

Sponsored by:	DARPA, AFRL
2013-01-13 16:57:11 +00:00

88 lines
2.9 KiB
C

/*-
* Copyright (c) 2012 Robert N. M. Watson
* All rights reserved.
*
* This software was developed by SRI International and the University of
* Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
* ("CTSRD"), as part of the DARPA CRASH research programme.
*
* 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.
*
* $FreeBSD$
*/
#ifndef _DEV_ALTERA_AVALON_H_
#define _DEV_ALTERA_AVALON_H_
struct altera_avgen_softc {
/*
* Bus-related fields.
*/
device_t avg_dev;
int avg_unit;
/*
* The device node and memory-mapped I/O region.
*/
struct cdev *avg_cdev;
struct resource *avg_res;
int avg_rid;
/*
* Access properties configured by device.hints.
*/
u_int avg_flags;
u_int avg_width;
};
/*
* Various flags extracted from device.hints to configure operations on the
* device.
*/
#define ALTERA_AVALON_FLAG_READ 0x01
#define ALTERA_AVALON_FLAG_WRITE 0x02
#define ALTERA_AVALON_FLAG_MMAP_READ 0x04
#define ALTERA_AVALON_FLAG_MMAP_WRITE 0x08
#define ALTERA_AVALON_FLAG_MMAP_EXEC 0x10
#define ALTERA_AVALON_CHAR_READ 'r'
#define ALTERA_AVALON_CHAR_WRITE 'w'
#define ALTERA_AVALON_CHAR_EXEC 'x'
#define ALTERA_AVALON_STR_WIDTH "width"
#define ALTERA_AVALON_STR_FILEIO "fileio"
#define ALTERA_AVALON_STR_MMAPIO "mmapio"
#define ALTERA_AVALON_STR_DEVNAME "devname"
#define ALTERA_AVALON_STR_DEVUNIT "devunit"
/*
* Driver setup routines from the bus attachment/teardown.
*/
int altera_avgen_attach(struct altera_avgen_softc *sc,
const char *str_fileio, const char *str_mmapio,
const char *str_devname, int devunit);
void altera_avgen_detach(struct altera_avgen_softc *sc);
extern devclass_t altera_avgen_devclass;
#endif /* _DEV_ALTERA_AVALON_H_ */