1 /* $NetBSD: i82365_isa.c,v 1.36 2022/09/25 17:09:36 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Marc Horowitz. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Marc Horowitz. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: i82365_isa.c,v 1.36 2022/09/25 17:09:36 thorpej Exp $"); 34 35 #define PCICISADEBUG 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/device.h> 40 #include <sys/extent.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/pcmcia/pcmciareg.h> 49 #include <dev/pcmcia/pcmciavar.h> 50 #include <dev/pcmcia/pcmciachip.h> 51 52 #include <dev/ic/i82365reg.h> 53 #include <dev/ic/i82365var.h> 54 #include <dev/isa/i82365_isavar.h> 55 56 #ifdef PCICISADEBUG 57 int pcicisa_debug = 0; 58 #define DPRINTF(arg) if (pcicisa_debug) printf arg; 59 #else 60 #define DPRINTF(arg) 61 #endif 62 63 int pcic_isa_probe(device_t, cfdata_t, void *); 64 void pcic_isa_attach(device_t, device_t, void *); 65 66 CFATTACH_DECL_NEW(pcic_isa, sizeof(struct pcic_isa_softc), 67 pcic_isa_probe, pcic_isa_attach, NULL, NULL); 68 69 static const struct pcmcia_chip_functions pcic_isa_functions = { 70 pcic_chip_mem_alloc, 71 pcic_chip_mem_free, 72 pcic_chip_mem_map, 73 pcic_chip_mem_unmap, 74 75 pcic_chip_io_alloc, 76 pcic_chip_io_free, 77 pcic_chip_io_map, 78 pcic_chip_io_unmap, 79 80 pcic_isa_chip_intr_establish, 81 pcic_isa_chip_intr_disestablish, 82 83 pcic_chip_socket_enable, 84 pcic_chip_socket_disable, 85 pcic_chip_socket_settype, 86 NULL, 87 }; 88 89 int 90 pcic_isa_probe(device_t parent, cfdata_t match, void *aux) 91 { 92 struct isa_attach_args *ia = aux; 93 bus_space_tag_t iot = ia->ia_iot; 94 bus_space_handle_t ioh, memh; 95 int val, found, msize; 96 97 if (ia->ia_nio < 1) 98 return 0; 99 if (ia->ia_niomem < 1) 100 return 0; 101 102 if (ISA_DIRECT_CONFIG(ia)) 103 return 0; 104 105 /* Disallow wildcarded i/o address. */ 106 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 107 return 0; 108 if (ia->ia_iomem[0].ir_addr == ISA_UNKNOWN_IOMEM) 109 return 0; 110 111 if (bus_space_map(iot, ia->ia_io[0].ir_addr, PCIC_IOSIZE, 0, &ioh)) 112 return 0; 113 114 if (ia->ia_iomem[0].ir_size == ISA_UNKNOWN_IOSIZ) 115 msize = PCIC_MEMSIZE; 116 else 117 msize = ia->ia_iomem[0].ir_size; 118 119 if (bus_space_map(ia->ia_memt, ia->ia_iomem[0].ir_addr, 120 msize, 0, &memh)) { 121 bus_space_unmap(iot, ioh, PCIC_IOSIZE); 122 return 0; 123 } 124 125 found = 0; 126 127 /* 128 * this could be done with a loop, but it would violate the 129 * abstraction 130 */ 131 132 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT); 133 134 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 135 136 if (pcic_ident_ok(val)) 137 found++; 138 139 140 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SB + PCIC_IDENT); 141 142 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 143 144 if (pcic_ident_ok(val)) 145 found++; 146 147 148 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SA + PCIC_IDENT); 149 150 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 151 152 if (pcic_ident_ok(val)) 153 found++; 154 155 156 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SB + PCIC_IDENT); 157 158 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); 159 160 if (pcic_ident_ok(val)) 161 found++; 162 163 164 bus_space_unmap(iot, ioh, PCIC_IOSIZE); 165 bus_space_unmap(ia->ia_memt, memh, msize); 166 167 if (!found) 168 return 0; 169 170 ia->ia_nio = 1; 171 ia->ia_io[0].ir_size = PCIC_IOSIZE; 172 173 ia->ia_niomem = 1; 174 ia->ia_iomem[0].ir_size = msize; 175 176 /* IRQ is special. */ 177 178 ia->ia_ndrq = 0; 179 180 return 1; 181 } 182 183 void 184 pcic_isa_attach(device_t parent, device_t self, void *aux) 185 { 186 struct pcic_isa_softc *isc = device_private(self); 187 struct pcic_softc *sc = &isc->sc_pcic; 188 struct isa_attach_args *ia = aux; 189 isa_chipset_tag_t ic = ia->ia_ic; 190 bus_space_tag_t iot = ia->ia_iot; 191 bus_space_tag_t memt = ia->ia_memt; 192 bus_space_handle_t ioh; 193 bus_space_handle_t memh; 194 195 aprint_naive("\n"); 196 sc->dev = self; 197 198 /* Map i/o space. */ 199 if (bus_space_map(iot, ia->ia_io[0].ir_addr, PCIC_IOSIZE, 0, &ioh)) { 200 aprint_error(": can't map i/o space\n"); 201 return; 202 } 203 204 /* Map mem space. */ 205 if (bus_space_map(memt, ia->ia_iomem[0].ir_addr, 206 ia->ia_iomem[0].ir_size, 0, &memh)) { 207 aprint_error(": can't map mem space\n"); 208 return; 209 } 210 211 sc->membase = ia->ia_iomem[0].ir_addr; 212 sc->subregionmask = 213 (1 << (ia->ia_iomem[0].ir_size / PCIC_MEM_PAGESIZE)) - 1; 214 215 isc->sc_ic = ic; 216 sc->pct = &pcic_isa_functions; 217 218 sc->iot = iot; 219 sc->ioh = ioh; 220 sc->memt = memt; 221 sc->memh = memh; 222 if (ia->ia_nirq > 0) 223 sc->irq = ia->ia_irq[0].ir_irq; 224 else 225 sc->irq = ISA_UNKNOWN_IRQ; 226 227 aprint_normal("\n"); 228 229 pcic_attach(sc); 230 pcic_isa_bus_width_probe(sc, iot, ioh, ia->ia_io[0].ir_addr, 231 PCIC_IOSIZE); 232 pcic_attach_sockets(sc); 233 234 config_interrupts(self, pcic_isa_config_interrupts); 235 } 236
Indexes created Sat Sep 20 22:09:52 GMT 2025