attimer_isa.c revision 1.5.18.1
1 1.5.18.1 joerg /* $NetBSD: attimer_isa.c,v 1.5.18.1 2007/10/02 18:28:28 joerg Exp $ */ 2 1.1 cube 3 1.1 cube /* 4 1.1 cube * Copyright (c) 2005 The NetBSD Foundation. 5 1.1 cube * All rights reserved. 6 1.1 cube * 7 1.1 cube * Redistribution and use in source and binary forms, with or without 8 1.1 cube * modification, are permitted provided that the following conditions 9 1.1 cube * are met: 10 1.1 cube * 1. Redistributions of source code must retain the above copyright 11 1.1 cube * notice, this list of conditions and the following disclaimer. 12 1.1 cube * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 cube * notice, this list of conditions and the following disclaimer in the 14 1.1 cube * documentation and/or other materials provided with the distribution. 15 1.5.18.1 joerg * 3. Neither the name of The NetBSD Foundation nor the names of its 16 1.1 cube * contributors may be used to endorse or promote products derived 17 1.1 cube * from this software without specific prior written permission. 18 1.1 cube * 19 1.1 cube * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1 cube * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1 cube * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1 cube * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1 cube * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1 cube * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1 cube * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1 cube * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1 cube * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1 cube * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1 cube * POSSIBILITY OF SUCH DAMAGE. 30 1.1 cube */ 31 1.1 cube 32 1.1 cube /* 33 1.1 cube * Copyright (c) 1996 Carnegie-Mellon University. 34 1.1 cube * All rights reserved. 35 1.1 cube * 36 1.1 cube * Author: Chris G. Demetriou 37 1.1 cube * 38 1.1 cube * Permission to use, copy, modify and distribute this software and 39 1.1 cube * its documentation is hereby granted, provided that both the copyright 40 1.1 cube * notice and this permission notice appear in all copies of the 41 1.1 cube * software, derivative works or modified versions, and any portions 42 1.1 cube * thereof, and that both notices appear in supporting documentation. 43 1.1 cube * 44 1.1 cube * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 45 1.1 cube * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 46 1.1 cube * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 47 1.1 cube * 48 1.1 cube * Carnegie Mellon requests users of this software to return to 49 1.1 cube * 50 1.1 cube * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 51 1.1 cube * School of Computer Science 52 1.1 cube * Carnegie Mellon University 53 1.1 cube * Pittsburgh PA 15213-3890 54 1.1 cube * 55 1.1 cube * any improvements or extensions that they make and grant Carnegie the 56 1.1 cube * rights to redistribute these changes. 57 1.1 cube */ 58 1.1 cube 59 1.1 cube /* 60 1.1 cube * ISA attachment for attimer(4) 61 1.1 cube */ 62 1.1 cube 63 1.1 cube #include <sys/cdefs.h> 64 1.5.18.1 joerg __KERNEL_RCSID(0, "$NetBSD: attimer_isa.c,v 1.5.18.1 2007/10/02 18:28:28 joerg Exp $"); 65 1.1 cube 66 1.1 cube #include <sys/param.h> 67 1.1 cube #include <sys/systm.h> 68 1.1 cube #include <sys/errno.h> 69 1.1 cube #include <sys/ioctl.h> 70 1.1 cube #include <sys/device.h> 71 1.1 cube #include <sys/proc.h> 72 1.1 cube 73 1.1 cube #include <machine/bus.h> 74 1.1 cube 75 1.1 cube #include <dev/ic/attimervar.h> 76 1.1 cube 77 1.1 cube #include <dev/isa/isareg.h> 78 1.1 cube #include <dev/isa/isavar.h> 79 1.1 cube 80 1.1 cube static int attimer_isa_match(struct device *, struct cfdata *, void *); 81 1.1 cube static void attimer_isa_attach(struct device *, struct device *, void *); 82 1.1 cube 83 1.1 cube CFATTACH_DECL(attimer_isa, sizeof(struct attimer_softc), 84 1.1 cube attimer_isa_match, attimer_isa_attach, NULL, NULL); 85 1.1 cube 86 1.1 cube static int 87 1.4 christos attimer_isa_match(struct device *parent, struct cfdata *match, 88 1.3 christos void *aux) 89 1.1 cube { 90 1.1 cube struct isa_attach_args *ia = aux; 91 1.1 cube bus_space_handle_t att_ioh; 92 1.1 cube 93 1.1 cube if (ISA_DIRECT_CONFIG(ia)) 94 1.1 cube return (0); 95 1.1 cube 96 1.1 cube /* If values are hardwired to something that they can't be, punt. */ 97 1.1 cube if (ia->ia_nio < 1 || 98 1.1 cube (ia->ia_io[0].ir_addr != ISA_UNKNOWN_PORT && 99 1.1 cube ia->ia_io[0].ir_addr != IO_TIMER1)) 100 1.1 cube return (0); 101 1.1 cube 102 1.1 cube if (ia->ia_niomem > 0 && 103 1.1 cube (ia->ia_iomem[0].ir_addr != ISA_UNKNOWN_IOMEM)) 104 1.1 cube return (0); 105 1.1 cube 106 1.1 cube if (ia->ia_nirq > 0 && 107 1.1 cube (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ)) 108 1.1 cube return (0); 109 1.1 cube 110 1.1 cube if (ia->ia_ndrq > 0 && 111 1.1 cube (ia->ia_drq[0].ir_drq != ISA_UNKNOWN_DRQ)) 112 1.1 cube return (0); 113 1.1 cube 114 1.1 cube if (bus_space_map(ia->ia_iot, IO_TIMER1, 4, 0, &att_ioh)) 115 1.1 cube return 0; 116 1.1 cube bus_space_unmap(ia->ia_iot, att_ioh, 4); 117 1.1 cube 118 1.1 cube ia->ia_io[0].ir_addr = IO_TIMER1; 119 1.1 cube ia->ia_io[0].ir_size = 4; 120 1.1 cube ia->ia_nio = 1; 121 1.1 cube 122 1.1 cube ia->ia_niomem = 0; 123 1.1 cube ia->ia_nirq = 0; 124 1.1 cube ia->ia_ndrq = 0; 125 1.1 cube 126 1.1 cube return 1; 127 1.1 cube } 128 1.1 cube 129 1.1 cube static void 130 1.4 christos attimer_isa_attach(struct device *parent, struct device *self, 131 1.3 christos void *aux) 132 1.1 cube { 133 1.1 cube struct attimer_softc *sc = (struct attimer_softc *)self; 134 1.1 cube struct isa_attach_args *ia = aux; 135 1.1 cube 136 1.1 cube sc->sc_iot = ia->ia_iot; 137 1.1 cube 138 1.5 uwe aprint_naive(": AT Timer\n"); 139 1.1 cube aprint_normal(": AT Timer\n"); 140 1.1 cube 141 1.1 cube if (bus_space_map(sc->sc_iot, IO_TIMER1, 4, 0, &sc->sc_ioh) != 0) 142 1.1 cube aprint_error("%s: could not map registers\n", 143 1.1 cube sc->sc_dev.dv_xname); 144 1.1 cube else 145 1.1 cube attimer_attach(sc); 146 1.1 cube } 147
Indexes created Sun Oct 12 02:09:55 GMT 2025