1 /* $OpenBSD: wdc_isapnp.c,v 1.10 2011/06/29 12:17:40 tedu Exp $ */ 2 /* $NetBSD: wdc_isapnp.c,v 1.13 1999/03/22 10:00:12 mycroft Exp $ */ 3 4 /*- 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Charles M. Hannum and by Onno van der Linden. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/types.h> 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/device.h> 37 #include <sys/malloc.h> 38 39 #include <machine/bus.h> 40 #include <machine/intr.h> 41 42 #include <dev/isa/isavar.h> 43 #include <dev/isa/isadmavar.h> 44 45 #include <dev/ata/atavar.h> 46 #include <dev/ic/wdcreg.h> 47 #include <dev/ic/wdcvar.h> 48 49 struct wdc_isapnp_softc { 50 struct wdc_softc sc_wdcdev; 51 struct channel_softc *wdc_chanptr; 52 struct channel_softc wdc_channel; 53 isa_chipset_tag_t sc_ic; 54 void *sc_ih; 55 int sc_drq; 56 }; 57 58 int wdc_isapnp_match(struct device *, void *, void *); 59 void wdc_isapnp_attach(struct device *, struct device *, void *); 60 61 struct cfattach wdc_isapnp_ca = { 62 sizeof(struct wdc_isapnp_softc), wdc_isapnp_match, wdc_isapnp_attach 63 }; 64 65 int 66 wdc_isapnp_match(parent, match, aux) 67 struct device *parent; 68 void *match; 69 void *aux; 70 { 71 struct isa_attach_args *ipa = aux; 72 73 if (ipa->ipa_nio != 2 || 74 ipa->ipa_nmem != 0 || 75 ipa->ipa_nmem32 != 0 || 76 ipa->ipa_nirq != 1 || 77 ipa->ipa_ndrq > 1) 78 return 0; 79 80 return (1); 81 } 82 83 void 84 wdc_isapnp_attach(parent, self, aux) 85 struct device *parent, *self; 86 void *aux; 87 { 88 struct wdc_isapnp_softc *sc = (void *)self; 89 struct isa_attach_args *ipa = aux; 90 91 92 sc->wdc_channel.cmd_iot = ipa->ia_iot; 93 sc->wdc_channel.ctl_iot = ipa->ia_iot; 94 95 /* 96 * An IDE controller can feed us the regions in any order. Pass 97 * them along with the 8-byte region in sc_ad.ioh, and the other 98 * (2 byte) region in auxioh. 99 */ 100 if (ipa->ipa_io[0].length == 8) { 101 sc->wdc_channel.cmd_ioh = ipa->ipa_io[0].h; 102 sc->wdc_channel.ctl_ioh = ipa->ipa_io[1].h; 103 } else { 104 sc->wdc_channel.cmd_ioh = ipa->ipa_io[1].h; 105 sc->wdc_channel.ctl_ioh = ipa->ipa_io[0].h; 106 } 107 sc->wdc_channel.data32iot = sc->wdc_channel.cmd_iot; 108 sc->wdc_channel.data32ioh = sc->wdc_channel.cmd_ioh; 109 110 sc->sc_ic = ipa->ia_ic; 111 sc->sc_ih = isa_intr_establish(ipa->ia_ic, ipa->ipa_irq[0].num, 112 ipa->ipa_irq[0].type, IPL_BIO, wdcintr, &sc->wdc_channel, 113 sc->sc_wdcdev.sc_dev.dv_xname); 114 115 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32; 116 sc->sc_wdcdev.PIO_cap = 0; 117 sc->wdc_chanptr = &sc->wdc_channel; 118 sc->sc_wdcdev.channels = &sc->wdc_chanptr; 119 sc->sc_wdcdev.nchannels = 1; 120 sc->wdc_channel.channel = 0; 121 sc->wdc_channel.wdc = &sc->sc_wdcdev; 122 sc->wdc_channel.ch_queue = wdc_alloc_queue(); 123 if (sc->wdc_channel.ch_queue == NULL) { 124 printf(": cannot allocate channel queue\n"); 125 return; 126 } 127 128 printf("\n"); 129 wdcattach(&sc->wdc_channel); 130 wdc_print_current_modes(&sc->wdc_channel); 131 } 132