1 /* $NetBSD: i82365_isapnp.c,v 1.31 2010/05/23 23:53:36 jym 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 1.31 2010/05/23 23:53:36 jym 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(device_t, cfdata_t, void *); 69 void pcic_isapnp_attach(device_t, device_t, 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(device_t parent, cfdata_t match, void *aux) 96 { 97 int pri, variant; 98 99 pri = isapnp_devmatch(aux, &isapnp_pcic_devinfo, &variant); 100 if (pri && variant > 0) 101 pri = 0; 102 return pri; 103 } 104 105 void 106 pcic_isapnp_attach(device_t parent, device_t self, void *aux) 107 { 108 struct pcic_isa_softc *isc = device_private(self); 109 struct pcic_softc *sc = &isc->sc_pcic; 110 struct isapnp_attach_args *ipa = aux; 111 isa_chipset_tag_t ic = ipa->ipa_ic; 112 bus_space_tag_t iot = ipa->ipa_iot; 113 bus_space_tag_t memt = ipa->ipa_memt; 114 bus_space_handle_t ioh; 115 bus_space_handle_t memh; 116 bus_addr_t maddr; 117 int msize; 118 int tmp1; 119 120 printf("\n"); 121 122 if (isapnp_config(iot, memt, ipa)) { 123 aprint_error_dev(self, "error in region allocation\n"); 124 return; 125 } 126 127 printf("%s: %s %s", device_xname(self), ipa->ipa_devident, 128 ipa->ipa_devclass); 129 130 /* sanity check that we get at least one hunk of IO space.. */ 131 if (ipa->ipa_nio < 1) { 132 aprint_error_dev(self, 133 "failed to get one chunk of i/o space\n"); 134 return; 135 } 136 137 /* Find i/o space. */ 138 ioh = ipa->ipa_io[0].h; 139 140 /* sanity check to make sure we have a real PCIC there.. */ 141 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT); 142 tmp1 = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 143 printf("(ident 0x%x", tmp1); 144 if (pcic_ident_ok(tmp1)) { 145 printf(" OK)"); 146 } else { 147 printf(" Not OK)\n"); 148 return; 149 } 150 151 msize = 0x4000; 152 if (isa_mem_alloc(memt, msize, msize, 0, 0, &maddr, &memh)) { 153 printf(": can't alloc mem space\n"); 154 return; 155 } 156 printf(": using iomem %#" PRIxPADDR " iosiz %#x", maddr, msize); 157 sc->membase = maddr; 158 sc->subregionmask = (1 << (msize / PCIC_MEM_PAGESIZE)) - 1; 159 160 isc->sc_ic = ic; 161 sc->pct = &pcic_isa_functions; 162 163 sc->iot = iot; 164 sc->ioh = ioh; 165 sc->memt = memt; 166 sc->memh = memh; 167 168 /* 169 * allocate an irq. it will be used by both controllers. I could 170 * use two different interrupts, but interrupts are relatively 171 * scarce, shareable, and for PCIC controllers, very infrequent. 172 */ 173 174 if (ipa->ipa_nirq > 0) 175 sc->irq = ipa->ipa_irq[0].num; 176 else 177 sc->irq = -1; 178 179 printf("\n"); 180 181 pcic_attach(sc); 182 pcic_isa_bus_width_probe(sc, iot, ioh, ipa->ipa_io[0].base, 183 ipa->ipa_io[0].length); 184 pcic_attach_sockets(sc); 185 config_interrupts(self, pcic_isa_config_interrupts); 186 } 187