/* $NetBSD: i82365_isa.c,v 1.11 1998/06/09 07:25:00 thorpej Exp $ */ #define PCICISADEBUG /* * Copyright (c) 1997 Marc Horowitz. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Marc Horowitz. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef PCICISADEBUG int pcicisa_debug = 0 /* XXX */ ; #define DPRINTF(arg) if (pcicisa_debug) printf arg; #else #define DPRINTF(arg) #endif int pcic_isa_probe __P((struct device *, struct cfdata *, void *)); void pcic_isa_attach __P((struct device *, struct device *, void *)); void *pcic_isa_chip_intr_establish __P((pcmcia_chipset_handle_t, struct pcmcia_function *, int, int (*) (void *), void *)); void pcic_isa_chip_intr_disestablish __P((pcmcia_chipset_handle_t, void *)); struct cfattach pcic_isa_ca = { sizeof(struct pcic_softc), pcic_isa_probe, pcic_isa_attach }; static struct pcmcia_chip_functions pcic_isa_functions = { pcic_chip_mem_alloc, pcic_chip_mem_free, pcic_chip_mem_map, pcic_chip_mem_unmap, pcic_chip_io_alloc, pcic_chip_io_free, pcic_chip_io_map, pcic_chip_io_unmap, pcic_isa_chip_intr_establish, pcic_isa_chip_intr_disestablish, pcic_chip_socket_enable, pcic_chip_socket_disable, }; int pcic_isa_probe(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { struct isa_attach_args *ia = aux; bus_space_tag_t iot = ia->ia_iot; bus_space_handle_t ioh, memh; int val, found; /* Disallow wildcarded i/o address. */ if (ia->ia_iobase == ISACF_PORT_DEFAULT) return (0); if (bus_space_map(iot, ia->ia_iobase, PCIC_IOSIZE, 0, &ioh)) return (0); if (ia->ia_msize == -1) ia->ia_msize = PCIC_MEMSIZE; if (bus_space_map(ia->ia_memt, ia->ia_maddr, ia->ia_msize, 0, &memh)) return (0); found = 0; /* * this could be done with a loop, but it would violate the * abstraction */ bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT); val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); if (pcic_ident_ok(val)) found++; bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SB + PCIC_IDENT); val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); if (pcic_ident_ok(val)) found++; bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SA + PCIC_IDENT); val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); if (pcic_ident_ok(val)) found++; bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SB + PCIC_IDENT); val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); if (pcic_ident_ok(val)) found++; bus_space_unmap(iot, ioh, PCIC_IOSIZE); bus_space_unmap(ia->ia_memt, memh, ia->ia_msize); if (!found) return (0); ia->ia_iosize = PCIC_IOSIZE; return (1); } void pcic_isa_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct pcic_softc *sc = (void *) self; struct isa_attach_args *ia = aux; isa_chipset_tag_t ic = ia->ia_ic; bus_space_tag_t iot = ia->ia_iot; bus_space_tag_t memt = ia->ia_memt; bus_space_handle_t ioh; bus_space_handle_t memh; /* Map i/o space. */ if (bus_space_map(iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh)) { printf(": can't map i/o space\n"); return; } /* Map mem space. */ if (bus_space_map(memt, ia->ia_maddr, ia->ia_msize, 0, &memh)) { printf(": can't map mem space\n"); return; } sc->membase = ia->ia_maddr; sc->subregionmask = (1 << (ia->ia_msize / PCIC_MEM_PAGESIZE)) - 1; sc->intr_est = ic; sc->pct = (pcmcia_chipset_tag_t) & pcic_isa_functions; sc->iot = iot; sc->ioh = ioh; sc->memt = memt; sc->memh = memh; /* * allocate an irq. it will be used by both controllers. I could * use two different interrupts, but interrupts are relatively * scarce, shareable, and for PCIC controllers, very infrequent. */ if ((sc->irq = ia->ia_irq) == IRQUNK) { if (isa_intr_alloc(ic, PCIC_CSC_INTR_IRQ_VALIDMASK & pcic_isa_intr_alloc_mask, IST_EDGE, &sc->irq)) { printf("\n%s: can't allocate interrupt\n", sc->dev.dv_xname); return; } printf(": using irq %d", sc->irq); } printf("\n"); pcic_attach(sc); pcic_isa_bus_width_probe (sc, iot, ioh, ia->ia_iobase, ia->ia_iosize); sc->ih = isa_intr_establish(ic, sc->irq, IST_EDGE, IPL_TTY, pcic_intr, sc); if (sc->ih == NULL) { printf("%s: can't establish interrupt\n", sc->dev.dv_xname); return; } pcic_attach_sockets(sc); }