1 /* $NetBSD: i82365_isapnp.c,v 1.26 2008/06/26 12:33:17 drochner Exp $ */ 2 3 /* 4 * Copyright (c) 1998 Bill Sommerfeld. All rights reserved. 5 * Copyright (c) 1997 Marc Horowitz. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Marc Horowitz. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: i82365_isapnp.c,v 1.26 2008/06/26 12:33:17 drochner Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/device.h> 39 #include <sys/extent.h> 40 #include <sys/malloc.h> 41 42 #include <sys/bus.h> 43 #include <sys/intr.h> 44 45 #include <dev/isa/isareg.h> 46 #include <dev/isa/isavar.h> 47 48 #include <dev/isapnp/isapnpreg.h> 49 #include <dev/isapnp/isapnpvar.h> 50 #include <dev/isapnp/isapnpdevs.h> 51 52 #include <dev/pcmcia/pcmciareg.h> 53 #include <dev/pcmcia/pcmciavar.h> 54 #include <dev/pcmcia/pcmciachip.h> 55 56 #include <dev/ic/i82365reg.h> 57 #include <dev/ic/i82365var.h> 58 #include <dev/isa/i82365_isavar.h> 59 60 #undef DPRINTF 61 #ifdef PCICISADEBUG 62 int pcicisapnp_debug = 0 /* XXX */ ; 63 #define DPRINTF(arg) if (pcicisapnp_debug) printf arg; 64 #else 65 #define DPRINTF(arg) 66 #endif 67 68 int pcic_isapnp_match(struct device *, struct cfdata *, void *); 69 void pcic_isapnp_attach(struct device *, struct device *, void *); 70 71 CFATTACH_DECL(pcic_isapnp, sizeof(struct pcic_isa_softc), 72 pcic_isapnp_match, pcic_isapnp_attach, NULL, NULL); 73 74 static const struct pcmcia_chip_functions pcic_isa_functions = { 75 pcic_chip_mem_alloc, 76 pcic_chip_mem_free, 77 pcic_chip_mem_map, 78 pcic_chip_mem_unmap, 79 80 pcic_chip_io_alloc, 81 pcic_chip_io_free, 82 pcic_chip_io_map, 83 pcic_chip_io_unmap, 84 85 pcic_isa_chip_intr_establish, 86 pcic_isa_chip_intr_disestablish, 87 88 pcic_chip_socket_enable, 89 pcic_chip_socket_disable, 90 pcic_chip_socket_settype, 91 NULL, 92 }; 93 94 int 95 pcic_isapnp_match(struct device *parent, struct cfdata *match, 96 void *aux) 97 { 98 int pri, variant; 99 100 pri = isapnp_devmatch(aux, &isapnp_pcic_devinfo, &variant); 101 if (pri && variant > 0) 102 pri = 0; 103 return (pri); 104 } 105 106 void 107 pcic_isapnp_attach(struct device *parent, struct device *self, 108 void *aux) 109 { 110 struct pcic_softc *sc = device_private(self); 111 struct pcic_isa_softc *isc = device_private(self); 112 struct isapnp_attach_args *ipa = aux; 113 isa_chipset_tag_t ic = ipa->ipa_ic; 114 bus_space_tag_t iot = ipa->ipa_iot; 115 bus_space_tag_t memt = ipa->ipa_memt; 116 bus_space_handle_t ioh; 117 bus_space_handle_t memh; 118 bus_addr_t maddr; 119 int msize; 120 int tmp1; 121 122 printf("\n"); 123 124 if (isapnp_config(iot, memt, ipa)) { 125 aprint_error_dev(&sc->dev, "error in region allocation\n"); 126 return; 127 } 128 129 printf("%s: %s %s", device_xname(&sc->dev), ipa->ipa_devident, 130 ipa->ipa_devclass); 131 132 /* sanity check that we get at least one hunk of IO space.. */ 133 if (ipa->ipa_nio < 1) { 134 aprint_error_dev(&sc->dev, "failed to get one chunk of i/o space\n"); 135 return; 136 } 137 138 /* Find i/o space. */ 139 ioh = ipa->ipa_io[0].h; 140 141 /* sanity check to make sure we have a real PCIC there.. */ 142 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT); 143 tmp1 = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 144 printf("(ident 0x%x", tmp1); 145 if (pcic_ident_ok(tmp1)) { 146 printf(" OK)"); 147 } else { 148 printf(" Not OK)\n"); 149 return; 150 } 151 152 msize = 0x4000; 153 if (isa_mem_alloc (memt, msize, msize, 0, 0, 154 &maddr, &memh)) { 155 printf(": can't alloc mem space\n"); 156 return; 157 } 158 printf(": using iomem 0x%lx iosiz 0x%x", maddr, msize); 159 sc->membase = maddr; 160 sc->subregionmask = (1 << (msize / PCIC_MEM_PAGESIZE)) - 1; 161 162 isc->sc_ic = ic; 163 sc->pct = (pcmcia_chipset_tag_t) & pcic_isa_functions; 164 165 sc->iot = iot; 166 sc->ioh = ioh; 167 sc->memt = memt; 168 sc->memh = memh; 169 170 /* 171 * allocate an irq. it will be used by both controllers. I could 172 * use two different interrupts, but interrupts are relatively 173 * scarce, shareable, and for PCIC controllers, very infrequent. 174 */ 175 176 if (ipa->ipa_nirq > 0) 177 sc->irq = ipa->ipa_irq[0].num; 178 else 179 sc->irq = -1; 180 181 printf("\n"); 182 183 pcic_attach(sc); 184 pcic_isa_bus_width_probe(sc, iot, ioh, ipa->ipa_io[0].base, 185 ipa->ipa_io[0].length); 186 pcic_attach_sockets(sc); 187 config_interrupts(self, pcic_isa_config_interrupts); 188 } 189