/* $OpenBSD: pckbc_isa.c,v 1.11 2012/02/02 21:40:19 deraadt Exp $ */ /* $NetBSD: pckbc_isa.c,v 1.2 2000/03/23 07:01:35 thorpej Exp $ */ /* * Copyright (c) 1998 * Matthias Drochner. 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. * * 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 int pckbc_isa_match(struct device *, void *, void *); void pckbc_isa_attach(struct device *, struct device *, void *); int pckbc_isa_activate(struct device *, int); struct pckbc_isa_softc { struct pckbc_softc sc_pckbc; isa_chipset_tag_t sc_ic; int sc_irq[PCKBC_NSLOTS]; }; struct cfattach pckbc_isa_ca = { sizeof(struct pckbc_isa_softc), pckbc_isa_match, pckbc_isa_attach, NULL, pckbc_isa_activate }; void pckbc_isa_intr_establish(struct pckbc_softc *, pckbc_slot_t); int pckbc_isa_match(struct device *parent, void *match, void *aux) { struct isa_attach_args *ia = aux; bus_space_tag_t iot = ia->ia_iot; bus_space_handle_t ioh_d, ioh_c; int res; /* If values are hardwired to something that they can't be, punt. */ if ((ia->ia_iobase != IOBASEUNK && ia->ia_iobase != IO_KBD) || ia->ia_maddr != MADDRUNK || (ia->ia_irq != IRQUNK && ia->ia_irq != 1 /* XXX */) || ia->ia_drq != DRQUNK) return (0); if (pckbc_is_console(iot, IO_KBD) == 0) { if (bus_space_map(iot, IO_KBD + KBDATAP, 1, 0, &ioh_d)) return (0); if (bus_space_map(iot, IO_KBD + KBCMDP, 1, 0, &ioh_c)) goto fail; /* flush KBC */ (void) pckbc_poll_data1(iot, ioh_d, ioh_c, PCKBC_KBD_SLOT, 0); /* KBC selftest */ if (pckbc_send_cmd(iot, ioh_c, KBC_SELFTEST) == 0) goto fail2; res = pckbc_poll_data1(iot, ioh_d, ioh_c, PCKBC_KBD_SLOT, 0); if (res != 0x55) { printf("kbc selftest: %x\n", res); goto fail2; } bus_space_unmap(iot, ioh_c, 1); bus_space_unmap(iot, ioh_d, 1); } ia->ia_iobase = IO_KBD; ia->ia_iosize = 5; ia->ia_msize = 0x0; return (1); fail2: bus_space_unmap(iot, ioh_c, 1); fail: bus_space_unmap(iot, ioh_d, 1); return (0); } int pckbc_isa_activate(struct device *self, int act) { struct pckbc_isa_softc *isc = (struct pckbc_isa_softc *)self; int rv = 0; switch (act) { case DVACT_QUIESCE: rv = config_activate_children(self, act); break; case DVACT_SUSPEND: rv = config_activate_children(self, act); pckbc_stop(&isc->sc_pckbc); break; case DVACT_RESUME: pckbc_reset(&isc->sc_pckbc); rv = config_activate_children(self, act); break; } return (rv); } void pckbc_isa_attach(struct device *parent, struct device *self, void *aux) { struct pckbc_isa_softc *isc = (void *)self; struct pckbc_softc *sc = &isc->sc_pckbc; struct cfdata *cf = self->dv_cfdata; struct isa_attach_args *ia = aux; struct pckbc_internal *t; bus_space_tag_t iot; bus_space_handle_t ioh_d, ioh_c; isc->sc_ic = ia->ia_ic; iot = ia->ia_iot; /* * Set up IRQs for "normal" ISA. */ isc->sc_irq[PCKBC_KBD_SLOT] = 1; isc->sc_irq[PCKBC_AUX_SLOT] = 12; sc->intr_establish = pckbc_isa_intr_establish; if (pckbc_is_console(iot, IO_KBD)) { t = &pckbc_consdata; pckbc_console_attached = 1; /* t->t_cmdbyte was initialized by cnattach */ } else { if (bus_space_map(iot, IO_KBD + KBDATAP, 1, 0, &ioh_d) || bus_space_map(iot, IO_KBD + KBCMDP, 1, 0, &ioh_c)) panic("pckbc_attach: couldn't map"); t = malloc(sizeof(*t), M_DEVBUF, M_WAITOK | M_ZERO); t->t_iot = iot; t->t_ioh_d = ioh_d; t->t_ioh_c = ioh_c; t->t_addr = IO_KBD; t->t_cmdbyte = KC8_CPU; /* Enable ports */ } t->t_sc = sc; sc->id = t; printf("\n"); /* Finish off the attach. */ pckbc_attach(sc, cf->cf_flags); } void pckbc_isa_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot) { struct pckbc_isa_softc *isc = (void *)sc; void *rv; rv = isa_intr_establish(isc->sc_ic, isc->sc_irq[slot], IST_EDGE, IPL_TTY, pckbcintr, sc, sc->sc_dv.dv_xname); if (rv == NULL) { printf("%s: unable to establish interrupt for %s slot\n", sc->sc_dv.dv_xname, pckbc_slot_names[slot]); } else { printf("%s: using irq %d for %s slot\n", sc->sc_dv.dv_xname, isc->sc_irq[slot], pckbc_slot_names[slot]); } }