ess_isa.c revision 1.13
1 /* $NetBSD: ess_isa.c,v 1.13 2005/01/13 15:01:27 kent 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: ess_isa.c,v 1.13 2005/01/13 15:01:27 kent Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/device.h> 45 46 #include <machine/cpu.h> 47 #include <machine/bus.h> 48 49 #include <dev/isa/isavar.h> 50 51 #include <dev/isa/essreg.h> 52 #include <dev/isa/essvar.h> 53 54 #include "joy_ess.h" 55 56 #ifdef ESS_ISA_DEBUG 57 #define DPRINTF(x) printf x 58 #else 59 #define DPRINTF(x) 60 #endif 61 62 int ess_isa_probe(struct device *, struct cfdata *, void *); 63 void ess_isa_attach(struct device *, struct device *, void *); 64 65 CFATTACH_DECL(ess_isa, sizeof(struct ess_softc), 66 ess_isa_probe, ess_isa_attach, NULL, NULL); 67 68 int 69 ess_isa_probe(struct device *parent, struct cfdata *match, void *aux) 70 { 71 int ret; 72 struct isa_attach_args *ia; 73 struct ess_softc probesc, *sc; 74 75 ia = aux; 76 sc= &probesc; 77 if (ia->ia_nio < 1) 78 return 0; 79 if (ia->ia_nirq < 1) 80 return 0; 81 if (ia->ia_ndrq < 1) 82 return 0; 83 84 if (ISA_DIRECT_CONFIG(ia)) 85 return 0; 86 87 memset(sc, 0, sizeof *sc); 88 89 sc->sc_ic = ia->ia_ic; 90 sc->sc_iot = ia->ia_iot; 91 sc->sc_iobase = ia->ia_io[0].ir_addr; 92 if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0, 93 &sc->sc_ioh)) { 94 DPRINTF(("ess_isa_probe: Couldn't map I/O region at %x, " 95 "size %x\n", sc->sc_iobase, ESS_NPORT)); 96 return 0; 97 } 98 99 sc->sc_audio1.irq = ia->ia_irq[0].ir_irq; 100 sc->sc_audio1.ist = IST_EDGE; 101 sc->sc_audio1.drq = ia->ia_drq[0].ir_drq; 102 sc->sc_audio2.irq = -1; 103 sc->sc_audio2.drq = (ia->ia_ndrq > 1) ? ia->ia_drq[1].ir_drq : -1; 104 105 ret = essmatch(sc); 106 107 bus_space_unmap(sc->sc_iot, sc->sc_ioh, ESS_NPORT); 108 109 if (ret) { 110 DPRINTF(("ess_isa_probe succeeded (score %d)\n", ret)); 111 ia->ia_nio = 1; 112 ia->ia_io[0].ir_size = ESS_NPORT; 113 114 ia->ia_nirq = 1; 115 116 if (ia->ia_ndrq > 1 && 117 ia->ia_drq[1].ir_drq != ISA_UNKNOWN_DRQ) 118 ia->ia_ndrq = 2; 119 else 120 ia->ia_ndrq = 1; 121 122 ia->ia_niomem = 0; 123 } else 124 DPRINTF(("ess_isa_probe failed\n")); 125 126 return ret; 127 } 128 129 void 130 ess_isa_attach(struct device *parent, struct device *self, void *aux) 131 { 132 struct ess_softc *sc; 133 struct isa_attach_args *ia; 134 int enablejoy; 135 136 sc = (void *)self; 137 ia = aux; 138 enablejoy = 0; 139 printf("\n"); 140 141 sc->sc_ic = ia->ia_ic; 142 sc->sc_iot = ia->ia_iot; 143 sc->sc_iobase = ia->ia_io[0].ir_addr; 144 if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0, 145 &sc->sc_ioh)) { 146 DPRINTF(("ess_isa_attach: Couldn't map I/O region at %x, " 147 "size %x\n", sc->sc_iobase, ESS_NPORT)); 148 return; 149 } 150 151 sc->sc_audio1.irq = ia->ia_irq[0].ir_irq; 152 sc->sc_audio1.ist = IST_EDGE; 153 sc->sc_audio1.drq = ia->ia_drq[0].ir_drq; 154 sc->sc_audio2.irq = -1; 155 sc->sc_audio2.drq = ia->ia_ndrq > 1 ? ia->ia_drq[1].ir_drq : -1; 156 157 #if NJOY_ESS > 0 158 if (sc->sc_dev.dv_cfdata->cf_flags & 1) { 159 sc->sc_joy_iot = ia->ia_iot; 160 if (!bus_space_map(sc->sc_joy_iot, 0x201, 1, 0, 161 &sc->sc_joy_ioh)) 162 enablejoy = 1; 163 } 164 #endif 165 166 printf("%s", sc->sc_dev.dv_xname); 167 168 essattach(sc, enablejoy); 169 } 170
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