1 /* $NetBSD: cy_isa.c,v 1.13 2001/11/13 08:01:11 lukem Exp $ */ 2 3 /* 4 * cy.c 5 * 6 * Driver for Cyclades Cyclom-8/16/32 multiport serial cards 7 * (currently not tested with Cyclom-32 cards) 8 * 9 * Timo Rossi, 1996 10 */ 11 12 #include <sys/cdefs.h> 13 __KERNEL_RCSID(0, "$NetBSD: cy_isa.c,v 1.13 2001/11/13 08:01:11 lukem Exp $"); 14 15 #include <sys/param.h> 16 #include <sys/systm.h> 17 #include <sys/device.h> 18 19 #include <machine/bus.h> 20 #include <machine/intr.h> 21 22 #include <dev/isa/isavar.h> 23 #include <dev/isa/isareg.h> 24 25 #include <dev/ic/cd1400reg.h> 26 #include <dev/ic/cyreg.h> 27 #include <dev/ic/cyvar.h> 28 29 int cy_isa_probe(struct device *, struct cfdata *, void *); 30 void cy_isa_attach(struct device *, struct device *, void *); 31 32 struct cfattach cy_isa_ca = { 33 sizeof(struct cy_softc), cy_isa_probe, cy_isa_attach 34 }; 35 36 int 37 cy_isa_probe(struct device *parent, struct cfdata *match, void *aux) 38 { 39 struct isa_attach_args *ia = aux; 40 struct cy_softc sc; 41 int found; 42 43 memcpy(&sc.sc_dev, match, sizeof(struct device)); 44 45 sc.sc_memt = ia->ia_memt; 46 sc.sc_bustype = CY_BUSTYPE_ISA; 47 48 /* Disallow wildcarded memory address. */ 49 if (ia->ia_maddr == ISACF_IOMEM_DEFAULT) 50 return (0); 51 52 if (ia->ia_irq == IRQUNK) 53 return 0; 54 55 if (bus_space_map(ia->ia_memt, ia->ia_maddr, CY_MEMSIZE, 0, 56 &sc.sc_bsh) != 0) 57 return 0; 58 59 found = cy_find(&sc); 60 61 bus_space_unmap(ia->ia_memt, sc.sc_bsh, CY_MEMSIZE); 62 63 if (found) { 64 ia->ia_iosize = 0; 65 ia->ia_msize = CY_MEMSIZE; 66 } 67 68 return (found); 69 } 70 71 void 72 cy_isa_attach(struct device *parent, struct device *self, void *aux) 73 { 74 struct cy_softc *sc = (void *) self; 75 struct isa_attach_args *ia = aux; 76 77 sc->sc_memt = ia->ia_memt; 78 sc->sc_bustype = CY_BUSTYPE_ISA; 79 80 printf(": Cyclades-Y multiport serial\n"); 81 82 if (bus_space_map(ia->ia_memt, ia->ia_maddr, CY_MEMSIZE, 0, 83 &sc->sc_bsh) != 0) { 84 printf("%s: unable to map device registers\n", 85 sc->sc_dev.dv_xname); 86 return; 87 } 88 89 if (cy_find(sc) == 0) { 90 printf("%s: unable to find CD1400s\n", sc->sc_dev.dv_xname); 91 return; 92 } 93 94 cy_attach(sc); 95 96 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, 97 IST_EDGE, IPL_TTY, cy_intr, sc); 98 if (sc->sc_ih == NULL) 99 printf("%s: unable to establish interrupt", 100 sc->sc_dev.dv_xname); 101 } 102