/* $OpenBSD: lofnvar.h,v 1.4 2001/06/26 06:33:52 jason Exp $ */ /* * Copyright (c) 2001 Jason L. Wright (jason@thought.net) * 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 Jason L. Wright * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. */ #define LOFN_RNGBUF_SIZE 8 /* size in 32 bit elements */ struct lofn_softc { struct device sc_dv; void * sc_ih; bus_space_handle_t sc_sh; bus_space_tag_t sc_st; bus_dma_tag_t sc_dmat; u_int32_t sc_rngbuf[LOFN_RNGBUF_SIZE]; }; #define READ_REG(sc,r) \ bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (r)) #define READ_REG_0(sc,r) READ_REG((sc), (r) | LOFN_WIN_0) #define READ_REG_1(sc,r) READ_REG((sc), (r) | LOFN_WIN_1) #define READ_REG_2(sc,r) READ_REG((sc), (r) | LOFN_WIN_2) #define READ_REG_3(sc,r) READ_REG((sc), (r) | LOFN_WIN_3) #define WRITE_REG(sc,r,v) \ bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (r), (v)) #define WRITE_REG_0(sc,r,v) WRITE_REG((sc), (r) | LOFN_WIN_0, (v)) #define WRITE_REG_1(sc,r,v) WRITE_REG((sc), (r) | LOFN_WIN_1, (v)) #define WRITE_REG_2(sc,r,v) WRITE_REG((sc), (r) | LOFN_WIN_2, (v)) #define WRITE_REG_3(sc,r,v) WRITE_REG((sc), (r) | LOFN_WIN_3, (v)) #ifndef LOFN_RNG_SCALAR #define LOFN_RNG_SCALAR 0x00000700 #endif