/* $OpenBSD: i82365_isa.c,v 1.22 2010/09/07 16:21:43 deraadt Exp $ */ /* $NetBSD: i82365_isa.c,v 1.11 1998/06/09 07:25:00 thorpej Exp $ */ /* * 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 #define DPRINTF(arg) printf arg; #else #define DPRINTF(arg) #endif int pcic_isa_probe(struct device *, void *, void *); void pcic_isa_attach(struct device *, struct device *, 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_isa_chip_intr_string, pcic_chip_socket_enable, pcic_chip_socket_disable, }; int pcic_isa_probe(parent, match, aux) struct device *parent; void *match, *aux; { struct isa_attach_args *ia = aux; bus_space_tag_t memt = ia->ia_memt, iot = ia->ia_iot; bus_space_handle_t ioh, memh; bus_size_t msize; int val, found; /* Disallow wildcarded i/o address. */ if (ia->ia_iobase == -1 /* 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; msize = ia->ia_msize; if (bus_space_map(memt, ia->ia_maddr, ia->ia_msize, 0, &memh)) { if (ia->ia_msize > PCIC_MEMSIZE && !bus_space_map(memt, ia->ia_maddr, PCIC_MEMSIZE, 0, &memh)) msize = PCIC_MEMSIZE; else 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(memt, memh, msize); if (!found) return (0); ia->ia_iosize = PCIC_IOSIZE; ia->ia_msize = msize; return (1); } void pcic_isa_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct pcic_softc *sc = (void *)self; struct pcic_handle *h; 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; int irq, i; /* 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; printf("\n"); pcic_attach(sc); pcic_isa_bus_width_probe(sc, iot, ioh, ia->ia_iobase, ia->ia_iosize); pcic_attach_sockets(sc); /* * 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. */ irq = ia->ia_irq; if (irq == IRQUNK) irq = pcic_intr_find(sc, IST_EDGE); if (irq) { sc->ih = isa_intr_establish(ic, irq, IST_EDGE, IPL_TTY, pcic_intr, sc, sc->dev.dv_xname); if (!sc->ih) irq = 0; } sc->irq = irq; if (irq) { printf("%s: irq %d, ", sc->dev.dv_xname, irq); /* Set up the pcic to interrupt on card detect. */ for (i = 0; i < PCIC_NSLOTS; i++) { h = &sc->handle[i]; if (h->flags & PCIC_FLAG_SOCKETP) { pcic_write(h, PCIC_CSC_INTR, (sc->irq << PCIC_CSC_INTR_IRQ_SHIFT) | PCIC_CSC_INTR_CD_ENABLE); } } } else printf("%s: no irq, ", sc->dev.dv_xname); printf("polling enabled\n"); if (sc->poll_established == 0) { timeout_set(&sc->poll_timeout, pcic_poll_intr, sc); timeout_add_msec(&sc->poll_timeout, 500); sc->poll_established = 1; } }