z8530var.h revision 1.9
1 1.9 agc /* $NetBSD: z8530var.h,v 1.9 2003/08/07 16:29:56 agc Exp $ */ 2 1.2 gwr 3 1.2 gwr /* 4 1.2 gwr * Copyright (c) 1992, 1993 5 1.2 gwr * The Regents of the University of California. All rights reserved. 6 1.9 agc * 7 1.9 agc * This software was developed by the Computer Systems Engineering group 8 1.9 agc * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 1.9 agc * contributed to Berkeley. 10 1.9 agc * 11 1.9 agc * All advertising materials mentioning features or use of this software 12 1.9 agc * must display the following acknowledgement: 13 1.9 agc * This product includes software developed by the University of 14 1.9 agc * California, Lawrence Berkeley Laboratory. 15 1.9 agc * 16 1.9 agc * Redistribution and use in source and binary forms, with or without 17 1.9 agc * modification, are permitted provided that the following conditions 18 1.9 agc * are met: 19 1.9 agc * 1. Redistributions of source code must retain the above copyright 20 1.9 agc * notice, this list of conditions and the following disclaimer. 21 1.9 agc * 2. Redistributions in binary form must reproduce the above copyright 22 1.9 agc * notice, this list of conditions and the following disclaimer in the 23 1.9 agc * documentation and/or other materials provided with the distribution. 24 1.9 agc * 3. Neither the name of the University nor the names of its contributors 25 1.9 agc * may be used to endorse or promote products derived from this software 26 1.9 agc * without specific prior written permission. 27 1.9 agc * 28 1.9 agc * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 1.9 agc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 1.9 agc * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 1.9 agc * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 1.9 agc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 1.9 agc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 1.9 agc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 1.9 agc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 1.9 agc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 1.9 agc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 1.9 agc * SUCH DAMAGE. 39 1.9 agc * 40 1.9 agc * @(#)zsvar.h 8.1 (Berkeley) 6/11/93 41 1.9 agc */ 42 1.9 agc 43 1.9 agc /* 44 1.9 agc * Copyright (c) 1994 Gordon W. Ross 45 1.2 gwr * 46 1.2 gwr * This software was developed by the Computer Systems Engineering group 47 1.2 gwr * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 48 1.2 gwr * contributed to Berkeley. 49 1.2 gwr * 50 1.2 gwr * All advertising materials mentioning features or use of this software 51 1.2 gwr * must display the following acknowledgement: 52 1.2 gwr * This product includes software developed by the University of 53 1.2 gwr * California, Lawrence Berkeley Laboratory. 54 1.2 gwr * 55 1.2 gwr * Redistribution and use in source and binary forms, with or without 56 1.2 gwr * modification, are permitted provided that the following conditions 57 1.2 gwr * are met: 58 1.2 gwr * 1. Redistributions of source code must retain the above copyright 59 1.2 gwr * notice, this list of conditions and the following disclaimer. 60 1.2 gwr * 2. Redistributions in binary form must reproduce the above copyright 61 1.2 gwr * notice, this list of conditions and the following disclaimer in the 62 1.2 gwr * documentation and/or other materials provided with the distribution. 63 1.2 gwr * 3. All advertising materials mentioning features or use of this software 64 1.2 gwr * must display the following acknowledgement: 65 1.2 gwr * This product includes software developed by the University of 66 1.2 gwr * California, Berkeley and its contributors. 67 1.2 gwr * 4. Neither the name of the University nor the names of its contributors 68 1.2 gwr * may be used to endorse or promote products derived from this software 69 1.2 gwr * without specific prior written permission. 70 1.2 gwr * 71 1.2 gwr * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 72 1.2 gwr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 73 1.2 gwr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 74 1.2 gwr * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 75 1.2 gwr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 76 1.2 gwr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 77 1.2 gwr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 78 1.2 gwr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 79 1.2 gwr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 80 1.2 gwr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 81 1.2 gwr * SUCH DAMAGE. 82 1.2 gwr * 83 1.2 gwr * @(#)zsvar.h 8.1 (Berkeley) 6/11/93 84 1.2 gwr */ 85 1.2 gwr 86 1.2 gwr #include <dev/ic/z8530sc.h> 87 1.2 gwr 88 1.6 gwr struct zsc_softc { 89 1.6 gwr struct device zsc_dev; /* required first: base device */ 90 1.6 gwr struct zs_chanstate *zsc_cs[2]; /* channel A and B soft state */ 91 1.6 gwr /* Machine-dependent part follows... */ 92 1.6 gwr struct zs_chanstate zsc_cs_store[2]; 93 1.6 gwr }; 94 1.6 gwr 95 1.2 gwr /* 96 1.3 gwr * Functions to read and write individual registers in a channel. 97 1.3 gwr * The ZS chip requires a 1.6 uSec. recovery time between accesses, 98 1.3 gwr * and the Sun3 hardware does NOT take care of this for you. 99 1.3 gwr * The delay is now handled inside the chip access functions. 100 1.3 gwr * These could be inlines, but with the delay, speed is moot. 101 1.2 gwr */ 102 1.2 gwr 103 1.3 gwr u_char zs_read_reg __P((struct zs_chanstate *cs, u_char reg)); 104 1.3 gwr u_char zs_read_csr __P((struct zs_chanstate *cs)); 105 1.3 gwr u_char zs_read_data __P((struct zs_chanstate *cs)); 106 1.3 gwr 107 1.3 gwr void zs_write_reg __P((struct zs_chanstate *cs, u_char reg, u_char val)); 108 1.3 gwr void zs_write_csr __P((struct zs_chanstate *cs, u_char val)); 109 1.3 gwr void zs_write_data __P((struct zs_chanstate *cs, u_char val)); 110 1.3 gwr 111 1.6 gwr /* Zilog Serial hardware interrupts (hard-wired at 6) */ 112 1.6 gwr #define splzs() spl6() 113 1.2 gwr 114 1.7 chs /* We want to call it "zs" instead of "zsc" (sigh). */ 115 1.7 chs #ifndef ZSCCF_CHANNEL 116 1.7 chs #define ZSCCF_CHANNEL 0 117 1.7 chs #define ZSCCF_CHANNEL_DEFAULT -1 118 1.7 chs #endif 119 1.8 chs 120 1.8 chs #undef cn_trap 121 1.8 chs #define cn_trap() zs_abort(NULL) 122
Indexes created Fri Sep 26 20:09:58 GMT 2025