z8530var.h revision 1.2.42.1
1 1.2.42.1 skrll /* $NetBSD: z8530var.h,v 1.2.42.1 2004/08/03 10:42:56 skrll Exp $ */ 2 1.1 minoura 3 1.1 minoura /* 4 1.1 minoura * Copyright (c) 1992, 1993 5 1.1 minoura * The Regents of the University of California. All rights reserved. 6 1.1 minoura * 7 1.1 minoura * This software was developed by the Computer Systems Engineering group 8 1.1 minoura * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 1.1 minoura * contributed to Berkeley. 10 1.1 minoura * 11 1.1 minoura * All advertising materials mentioning features or use of this software 12 1.1 minoura * must display the following acknowledgement: 13 1.1 minoura * This product includes software developed by the University of 14 1.1 minoura * California, Lawrence Berkeley Laboratory. 15 1.1 minoura * 16 1.1 minoura * Redistribution and use in source and binary forms, with or without 17 1.1 minoura * modification, are permitted provided that the following conditions 18 1.1 minoura * are met: 19 1.1 minoura * 1. Redistributions of source code must retain the above copyright 20 1.1 minoura * notice, this list of conditions and the following disclaimer. 21 1.1 minoura * 2. Redistributions in binary form must reproduce the above copyright 22 1.1 minoura * notice, this list of conditions and the following disclaimer in the 23 1.1 minoura * documentation and/or other materials provided with the distribution. 24 1.2.42.1 skrll * 3. Neither the name of the University nor the names of its contributors 25 1.2.42.1 skrll * may be used to endorse or promote products derived from this software 26 1.2.42.1 skrll * without specific prior written permission. 27 1.2.42.1 skrll * 28 1.2.42.1 skrll * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 1.2.42.1 skrll * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 1.2.42.1 skrll * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 1.2.42.1 skrll * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 1.2.42.1 skrll * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 1.2.42.1 skrll * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 1.2.42.1 skrll * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 1.2.42.1 skrll * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 1.2.42.1 skrll * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 1.2.42.1 skrll * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 1.2.42.1 skrll * SUCH DAMAGE. 39 1.2.42.1 skrll * 40 1.2.42.1 skrll * @(#)zsvar.h 8.1 (Berkeley) 6/11/93 41 1.2.42.1 skrll */ 42 1.2.42.1 skrll 43 1.2.42.1 skrll /* 44 1.2.42.1 skrll * Copyright (c) 1998 Minoura Makoto 45 1.2.42.1 skrll * All rights reserved. 46 1.2.42.1 skrll * 47 1.2.42.1 skrll * Redistribution and use in source and binary forms, with or without 48 1.2.42.1 skrll * modification, are permitted provided that the following conditions 49 1.2.42.1 skrll * are met: 50 1.2.42.1 skrll * 1. Redistributions of source code must retain the above copyright 51 1.2.42.1 skrll * notice, this list of conditions and the following disclaimer. 52 1.2.42.1 skrll * 2. Redistributions in binary form must reproduce the above copyright 53 1.2.42.1 skrll * notice, this list of conditions and the following disclaimer in the 54 1.2.42.1 skrll * documentation and/or other materials provided with the distribution. 55 1.2.42.1 skrll * 3. All advertising materials mentioning features or use of this software 56 1.2.42.1 skrll * must display the following acknowledgement: 57 1.2.42.1 skrll * This product includes software developed by Minoura Makoto. 58 1.2.42.1 skrll * 4. The name of the author may not be used to endorse or promote products 59 1.2.42.1 skrll * derived from this software without specific prior written permission 60 1.2.42.1 skrll * 61 1.2.42.1 skrll * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 62 1.2.42.1 skrll * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 63 1.2.42.1 skrll * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 64 1.2.42.1 skrll * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 65 1.2.42.1 skrll * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 66 1.2.42.1 skrll * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 67 1.2.42.1 skrll * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 68 1.2.42.1 skrll * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 69 1.2.42.1 skrll * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 70 1.2.42.1 skrll * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 71 1.2.42.1 skrll */ 72 1.2.42.1 skrll 73 1.2.42.1 skrll /* 74 1.2.42.1 skrll * Copyright (c) 1994 Gordon W. Ross 75 1.2.42.1 skrll * 76 1.2.42.1 skrll * This software was developed by the Computer Systems Engineering group 77 1.2.42.1 skrll * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 78 1.2.42.1 skrll * contributed to Berkeley. 79 1.2.42.1 skrll * 80 1.2.42.1 skrll * All advertising materials mentioning features or use of this software 81 1.2.42.1 skrll * must display the following acknowledgement: 82 1.2.42.1 skrll * This product includes software developed by the University of 83 1.2.42.1 skrll * California, Lawrence Berkeley Laboratory. 84 1.2.42.1 skrll * 85 1.2.42.1 skrll * Redistribution and use in source and binary forms, with or without 86 1.2.42.1 skrll * modification, are permitted provided that the following conditions 87 1.2.42.1 skrll * are met: 88 1.2.42.1 skrll * 1. Redistributions of source code must retain the above copyright 89 1.2.42.1 skrll * notice, this list of conditions and the following disclaimer. 90 1.2.42.1 skrll * 2. Redistributions in binary form must reproduce the above copyright 91 1.2.42.1 skrll * notice, this list of conditions and the following disclaimer in the 92 1.2.42.1 skrll * documentation and/or other materials provided with the distribution. 93 1.1 minoura * 3. All advertising materials mentioning features or use of this software 94 1.1 minoura * must display the following acknowledgement: 95 1.1 minoura * This product includes software developed by the University of 96 1.1 minoura * California, Berkeley and its contributors. 97 1.1 minoura * 4. Neither the name of the University nor the names of its contributors 98 1.1 minoura * may be used to endorse or promote products derived from this software 99 1.1 minoura * without specific prior written permission. 100 1.1 minoura * 101 1.1 minoura * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 102 1.1 minoura * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 103 1.1 minoura * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 104 1.1 minoura * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 105 1.1 minoura * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 106 1.1 minoura * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 107 1.1 minoura * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 108 1.1 minoura * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 109 1.1 minoura * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 110 1.1 minoura * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 111 1.1 minoura * SUCH DAMAGE. 112 1.1 minoura * 113 1.1 minoura * @(#)zsvar.h 8.1 (Berkeley) 6/11/93 114 1.1 minoura */ 115 1.1 minoura 116 1.2 minoura #include <machine/bus.h> 117 1.1 minoura #include <dev/ic/z8530sc.h> 118 1.1 minoura 119 1.1 minoura 120 1.1 minoura #define ZS_DELAY() delay(2) 121 1.1 minoura 122 1.2 minoura /* The layout of this is hardware-dependent (padding, order). */ 123 1.2 minoura struct zschan { 124 1.2 minoura u_char zc_xxx0; 125 1.2 minoura volatile u_char zc_csr; /* ctrl,status, and indirect access */ 126 1.2 minoura u_char zc_xxx1; 127 1.2 minoura volatile u_char zc_data; /* data */ 128 1.2 minoura }; 129 1.2 minoura struct zsdevice { 130 1.2 minoura /* Yes, they are backwards. */ 131 1.2 minoura struct zschan zs_chan_b; 132 1.2 minoura struct zschan zs_chan_a; 133 1.2 minoura }; 134 1.2 minoura 135 1.1 minoura struct zsc_softc { 136 1.1 minoura struct device zsc_dev; /* required first: base device */ 137 1.1 minoura struct zs_chanstate *zsc_cs[2]; /* channel A and B soft state */ 138 1.1 minoura /* Machine-dependent part follows... */ 139 1.1 minoura struct zs_chanstate zsc_cs_store[2]; 140 1.1 minoura struct zsdevice *zsc_addr; 141 1.1 minoura }; 142 1.1 minoura 143 1.1 minoura /* 144 1.1 minoura * Functions to read and write individual registers in a channel. 145 1.1 minoura * The ZS chip requires a 1.6 uSec. recovery time between accesses, 146 1.1 minoura * and the Sun3 hardware does NOT take care of this for you. 147 1.1 minoura * The delay is now handled inside the chip access functions. 148 1.1 minoura * These could be inlines, but with the delay, speed is moot. 149 1.1 minoura */ 150 1.1 minoura 151 1.1 minoura u_char zs_read_reg __P((struct zs_chanstate *cs, u_char reg)); 152 1.1 minoura u_char zs_read_csr __P((struct zs_chanstate *cs)); 153 1.1 minoura u_char zs_read_data __P((struct zs_chanstate *cs)); 154 1.1 minoura 155 1.1 minoura void zs_write_reg __P((struct zs_chanstate *cs, u_char reg, u_char val)); 156 1.1 minoura void zs_write_csr __P((struct zs_chanstate *cs, u_char val)); 157 1.1 minoura void zs_write_data __P((struct zs_chanstate *cs, u_char val)); 158 1.2 minoura 159 1.2 minoura /* 160 1.2 minoura * Physical address for built-in ZS. 161 1.2 minoura */ 162 1.2 minoura #define ZSCN_PHYSADDR 0xe98004 /* for serial console */ 163 1.2 minoura #define ZSMS_PHYSADDR 0xe98000 /* for mouse */ 164
Indexes created Mon Oct 27 08:10:08 GMT 2025