1 1.13 jmcneill /* $NetBSD: attimer_isa.c,v 1.13 2009/08/23 16:02:53 jmcneill 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 1.1 cube * 16 1.1 cube * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 1.1 cube * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.1 cube * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.1 cube * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 1.1 cube * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.1 cube * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.1 cube * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.1 cube * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.1 cube * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.1 cube * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.1 cube * POSSIBILITY OF SUCH DAMAGE. 27 1.1 cube */ 28 1.1 cube 29 1.1 cube /* 30 1.1 cube * Copyright (c) 1996 Carnegie-Mellon University. 31 1.1 cube * All rights reserved. 32 1.1 cube * 33 1.1 cube * Author: Chris G. Demetriou 34 1.1 cube * 35 1.1 cube * Permission to use, copy, modify and distribute this software and 36 1.1 cube * its documentation is hereby granted, provided that both the copyright 37 1.1 cube * notice and this permission notice appear in all copies of the 38 1.1 cube * software, derivative works or modified versions, and any portions 39 1.1 cube * thereof, and that both notices appear in supporting documentation. 40 1.1 cube * 41 1.1 cube * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 42 1.1 cube * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 43 1.1 cube * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 44 1.1 cube * 45 1.1 cube * Carnegie Mellon requests users of this software to return to 46 1.1 cube * 47 1.1 cube * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 48 1.1 cube * School of Computer Science 49 1.1 cube * Carnegie Mellon University 50 1.1 cube * Pittsburgh PA 15213-3890 51 1.1 cube * 52 1.1 cube * any improvements or extensions that they make and grant Carnegie the 53 1.1 cube * rights to redistribute these changes. 54 1.1 cube */ 55 1.1 cube 56 1.1 cube /* 57 1.1 cube * ISA attachment for attimer(4) 58 1.1 cube */ 59 1.1 cube 60 1.1 cube #include <sys/cdefs.h> 61 1.13 jmcneill __KERNEL_RCSID(0, "$NetBSD: attimer_isa.c,v 1.13 2009/08/23 16:02:53 jmcneill Exp $"); 62 1.1 cube 63 1.1 cube #include <sys/param.h> 64 1.1 cube #include <sys/systm.h> 65 1.1 cube #include <sys/errno.h> 66 1.1 cube #include <sys/ioctl.h> 67 1.1 cube #include <sys/device.h> 68 1.1 cube #include <sys/proc.h> 69 1.1 cube 70 1.7 ad #include <sys/bus.h> 71 1.1 cube 72 1.1 cube #include <dev/ic/attimervar.h> 73 1.1 cube 74 1.1 cube #include <dev/isa/isareg.h> 75 1.1 cube #include <dev/isa/isavar.h> 76 1.1 cube 77 1.12 cegger static int attimer_isa_match(device_t, cfdata_t, void *); 78 1.8 dyoung static void attimer_isa_attach(device_t, device_t, void *); 79 1.1 cube 80 1.10 cube CFATTACH_DECL_NEW(attimer_isa, sizeof(struct attimer_softc), 81 1.9 dyoung attimer_isa_match, attimer_isa_attach, attimer_detach, NULL); 82 1.1 cube 83 1.1 cube static int 84 1.10 cube attimer_isa_match(device_t parent, cfdata_t match, void *aux) 85 1.1 cube { 86 1.1 cube struct isa_attach_args *ia = aux; 87 1.1 cube bus_space_handle_t att_ioh; 88 1.1 cube 89 1.1 cube if (ISA_DIRECT_CONFIG(ia)) 90 1.1 cube return (0); 91 1.1 cube 92 1.1 cube /* If values are hardwired to something that they can't be, punt. */ 93 1.1 cube if (ia->ia_nio < 1 || 94 1.1 cube (ia->ia_io[0].ir_addr != ISA_UNKNOWN_PORT && 95 1.1 cube ia->ia_io[0].ir_addr != IO_TIMER1)) 96 1.1 cube return (0); 97 1.1 cube 98 1.1 cube if (ia->ia_niomem > 0 && 99 1.1 cube (ia->ia_iomem[0].ir_addr != ISA_UNKNOWN_IOMEM)) 100 1.1 cube return (0); 101 1.1 cube 102 1.1 cube if (ia->ia_nirq > 0 && 103 1.1 cube (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ)) 104 1.1 cube return (0); 105 1.1 cube 106 1.1 cube if (ia->ia_ndrq > 0 && 107 1.1 cube (ia->ia_drq[0].ir_drq != ISA_UNKNOWN_DRQ)) 108 1.1 cube return (0); 109 1.1 cube 110 1.1 cube if (bus_space_map(ia->ia_iot, IO_TIMER1, 4, 0, &att_ioh)) 111 1.1 cube return 0; 112 1.1 cube bus_space_unmap(ia->ia_iot, att_ioh, 4); 113 1.1 cube 114 1.1 cube ia->ia_io[0].ir_addr = IO_TIMER1; 115 1.1 cube ia->ia_io[0].ir_size = 4; 116 1.1 cube ia->ia_nio = 1; 117 1.1 cube 118 1.1 cube ia->ia_niomem = 0; 119 1.1 cube ia->ia_nirq = 0; 120 1.1 cube ia->ia_ndrq = 0; 121 1.1 cube 122 1.1 cube return 1; 123 1.1 cube } 124 1.1 cube 125 1.1 cube static void 126 1.8 dyoung attimer_isa_attach(device_t parent, device_t self, void *aux) 127 1.1 cube { 128 1.8 dyoung struct attimer_softc *sc = device_private(self); 129 1.1 cube struct isa_attach_args *ia = aux; 130 1.1 cube 131 1.10 cube sc->sc_dev = self; 132 1.1 cube sc->sc_iot = ia->ia_iot; 133 1.1 cube 134 1.13 jmcneill aprint_naive("\n"); 135 1.13 jmcneill aprint_normal("\n"); 136 1.1 cube 137 1.9 dyoung sc->sc_size = 4; 138 1.9 dyoung if (bus_space_map(sc->sc_iot, IO_TIMER1, sc->sc_size, 0, 139 1.9 dyoung &sc->sc_ioh) != 0) 140 1.10 cube aprint_error_dev(self, "could not map registers\n"); 141 1.1 cube else 142 1.1 cube attimer_attach(sc); 143 1.1 cube } 144
Indexes created Sat Sep 20 22:09:52 GMT 2025