1 /* $NetBSD: ess_isa.c,v 1.24 2010/05/22 16:35:00 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Nathan J. Williams. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: ess_isa.c,v 1.24 2010/05/22 16:35:00 tsutsui Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 39 #include <sys/cpu.h> 40 #include <sys/bus.h> 41 42 #include <dev/isa/isavar.h> 43 44 #include <dev/isa/essreg.h> 45 #include <dev/isa/essvar.h> 46 47 #include "joy_ess.h" 48 49 #ifdef ESS_ISA_DEBUG 50 #define DPRINTF(x) printf x 51 #else 52 #define DPRINTF(x) {} 53 #endif 54 55 int ess_isa_probe(device_t, cfdata_t, void *); 56 void ess_isa_attach(device_t, device_t, void *); 57 58 CFATTACH_DECL_NEW(ess_isa, sizeof(struct ess_softc), 59 ess_isa_probe, ess_isa_attach, NULL, NULL); 60 61 int 62 ess_isa_probe(device_t parent, cfdata_t match, void *aux) 63 { 64 int ret; 65 struct isa_attach_args *ia; 66 struct ess_softc probesc, *sc; 67 68 ia = aux; 69 sc= &probesc; 70 if (ia->ia_nio < 1) 71 return 0; 72 if (ia->ia_nirq < 1) 73 return 0; 74 if (ia->ia_ndrq < 1) 75 return 0; 76 77 if (ISA_DIRECT_CONFIG(ia)) 78 return 0; 79 80 memset(sc, 0, sizeof *sc); 81 82 sc->sc_ic = ia->ia_ic; 83 sc->sc_iot = ia->ia_iot; 84 sc->sc_iobase = ia->ia_io[0].ir_addr; 85 if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0, 86 &sc->sc_ioh)) { 87 DPRINTF(("ess_isa_probe: Couldn't map I/O region at %x, " 88 "size %x\n", sc->sc_iobase, ESS_NPORT)); 89 return 0; 90 } 91 92 sc->sc_audio1.irq = ia->ia_irq[0].ir_irq; 93 sc->sc_audio1.ist = IST_EDGE; 94 sc->sc_audio1.drq = ia->ia_drq[0].ir_drq; 95 sc->sc_audio2.irq = -1; 96 sc->sc_audio2.drq = (ia->ia_ndrq > 1) ? ia->ia_drq[1].ir_drq : -1; 97 98 ret = essmatch(sc); 99 100 bus_space_unmap(sc->sc_iot, sc->sc_ioh, ESS_NPORT); 101 102 if (ret) { 103 DPRINTF(("ess_isa_probe succeeded (score %d)\n", ret)); 104 ia->ia_nio = 1; 105 ia->ia_io[0].ir_size = ESS_NPORT; 106 107 ia->ia_nirq = 1; 108 109 if (ia->ia_ndrq > 1 && 110 ia->ia_drq[1].ir_drq != ISA_UNKNOWN_DRQ) 111 ia->ia_ndrq = 2; 112 else 113 ia->ia_ndrq = 1; 114 115 ia->ia_niomem = 0; 116 } else 117 DPRINTF(("ess_isa_probe failed\n")); 118 119 return ret; 120 } 121 122 void 123 ess_isa_attach(device_t parent, device_t self, void *aux) 124 { 125 struct ess_softc *sc; 126 struct isa_attach_args *ia; 127 int enablejoy; 128 129 sc = device_private(self); 130 131 sc->sc_dev = self; 132 ia = aux; 133 enablejoy = 0; 134 135 aprint_naive("\n"); 136 aprint_normal("\n"); 137 138 sc->sc_ic = ia->ia_ic; 139 sc->sc_iot = ia->ia_iot; 140 sc->sc_iobase = ia->ia_io[0].ir_addr; 141 if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0, 142 &sc->sc_ioh)) { 143 DPRINTF(("ess_isa_attach: Couldn't map I/O region at %x, " 144 "size %x\n", sc->sc_iobase, ESS_NPORT)); 145 return; 146 } 147 148 sc->sc_audio1.irq = ia->ia_irq[0].ir_irq; 149 sc->sc_audio1.ist = IST_EDGE; 150 sc->sc_audio1.drq = ia->ia_drq[0].ir_drq; 151 sc->sc_audio2.irq = -1; 152 sc->sc_audio2.drq = ia->ia_ndrq > 1 ? ia->ia_drq[1].ir_drq : -1; 153 154 #if NJOY_ESS > 0 155 if (device_cfdata(self)->cf_flags & 1) { 156 sc->sc_joy_iot = ia->ia_iot; 157 if (!bus_space_map(sc->sc_joy_iot, 0x201, 1, 0, 158 &sc->sc_joy_ioh)) 159 enablejoy = 1; 160 } 161 #endif 162 163 aprint_normal_dev(self, ""); 164 165 essattach(sc, enablejoy); 166 } 167
Indexes created Sat Sep 20 22:09:52 GMT 2025