z8530var.h revision 1.1.2.4
1 1.1.2.4 bouyer /* $NetBSD: z8530var.h,v 1.1.2.4 2001/04/21 17:54:05 bouyer Exp $ */ 2 1.1.2.2 bouyer 3 1.1.2.2 bouyer /* 4 1.1.2.2 bouyer * Copyright (c) 1994 Gordon W. Ross 5 1.1.2.2 bouyer * Copyright (c) 1992, 1993 6 1.1.2.2 bouyer * The Regents of the University of California. All rights reserved. 7 1.1.2.2 bouyer * 8 1.1.2.2 bouyer * This software was developed by the Computer Systems Engineering group 9 1.1.2.2 bouyer * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 10 1.1.2.2 bouyer * contributed to Berkeley. 11 1.1.2.2 bouyer * 12 1.1.2.2 bouyer * All advertising materials mentioning features or use of this software 13 1.1.2.2 bouyer * must display the following acknowledgement: 14 1.1.2.2 bouyer * This product includes software developed by the University of 15 1.1.2.2 bouyer * California, Lawrence Berkeley Laboratory. 16 1.1.2.2 bouyer * 17 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 18 1.1.2.2 bouyer * modification, are permitted provided that the following conditions 19 1.1.2.2 bouyer * are met: 20 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 21 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 22 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 23 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 24 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 25 1.1.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 26 1.1.2.2 bouyer * must display the following acknowledgement: 27 1.1.2.2 bouyer * This product includes software developed by the University of 28 1.1.2.2 bouyer * California, Berkeley and its contributors. 29 1.1.2.2 bouyer * 4. Neither the name of the University nor the names of its contributors 30 1.1.2.2 bouyer * may be used to endorse or promote products derived from this software 31 1.1.2.2 bouyer * without specific prior written permission. 32 1.1.2.2 bouyer * 33 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 34 1.1.2.2 bouyer * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 35 1.1.2.2 bouyer * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 36 1.1.2.2 bouyer * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 37 1.1.2.2 bouyer * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 38 1.1.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 39 1.1.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 40 1.1.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 41 1.1.2.2 bouyer * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 42 1.1.2.2 bouyer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 43 1.1.2.2 bouyer * SUCH DAMAGE. 44 1.1.2.2 bouyer * 45 1.1.2.2 bouyer * @(#)zsvar.h 8.1 (Berkeley) 6/11/93 46 1.1.2.2 bouyer */ 47 1.1.2.2 bouyer 48 1.1.2.2 bouyer #include <machine/bus.h> 49 1.1.2.2 bouyer #include <dev/ic/z8530sc.h> 50 1.1.2.2 bouyer 51 1.1.2.3 bouyer struct zs_channel { 52 1.1.2.3 bouyer struct zs_chanstate cs_zscs; /* Required: soft state */ 53 1.1.2.3 bouyer bus_space_tag_t cs_bustag; /* Machine-dependent */ 54 1.1.2.3 bouyer bus_space_handle_t cs_regs; 55 1.1.2.3 bouyer }; 56 1.1.2.3 bouyer 57 1.1.2.2 bouyer struct zsc_softc { 58 1.1.2.3 bouyer struct device zsc_dev; /* required: base device */ 59 1.1.2.3 bouyer struct zs_chanstate *zsc_cs[2]; /* channel soft state */ 60 1.1.2.3 bouyer struct zs_channel zsc_cs_store[2]; 61 1.1.2.2 bouyer /* Machine-dependent part follows... */ 62 1.1.2.3 bouyer bus_space_tag_t zsc_bustag; /* Bus type */ 63 1.1.2.3 bouyer bus_space_handle_t zsc_base; /* Device base address */ 64 1.1.2.3 bouyer struct evcnt zs_intrcnt; /* Interrupt counter */ 65 1.1.2.4 bouyer void *sc_si; /* Softinterrupt handle */ 66 1.1.2.2 bouyer }; 67 1.1.2.2 bouyer 68 1.1.2.2 bouyer /* 69 1.1.2.2 bouyer * Functions to read and write individual registers in a channel. 70 1.1.2.3 bouyer * The SCC chip requires 3-4 PCLK cycles recovery time between accesses 71 1.1.2.2 bouyer */ 72 1.1.2.2 bouyer 73 1.1.2.2 bouyer u_char zs_read_reg __P((struct zs_chanstate *cs, u_char reg)); 74 1.1.2.2 bouyer u_char zs_read_csr __P((struct zs_chanstate *cs)); 75 1.1.2.2 bouyer u_char zs_read_data __P((struct zs_chanstate *cs)); 76 1.1.2.2 bouyer 77 1.1.2.2 bouyer void zs_write_reg __P((struct zs_chanstate *cs, u_char reg, u_char val)); 78 1.1.2.2 bouyer void zs_write_csr __P((struct zs_chanstate *cs, u_char val)); 79 1.1.2.2 bouyer void zs_write_data __P((struct zs_chanstate *cs, u_char val)); 80 1.1.2.2 bouyer 81 1.1.2.3 bouyer /* Zilog Serial hardware interrupts (level 0) */ 82 1.1.2.2 bouyer #define splzs() spltty() 83
Indexes created Tue Oct 21 16:10:11 GMT 2025