/* $NetBSD: pckbc_pnpbios.c,v 1.1 2000/04/22 06:41:34 thorpej Exp $ */ /*- * Copyright (c) 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe. * * 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 the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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. */ /* * PNPBIOS attachment for the PC Keyboard Controller driver. * * This is a little wonky. The keyboard controller actually * has 2 PNPBIOS nodes: one for the controller and the keyboard * interrupt, and one for the aux port (mouse) interrupt. * * For this reason, we actually attach *two* instances of this * driver. After both of them have been found, then we attach * sub-devices. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include int pckbc_pnpbios_match(struct device *, struct cfdata *, void *); void pckbc_pnpbios_attach(struct device *, struct device *, void *); struct pckbc_pnpbios_softc { struct pckbc_softc sc_pckbc; int sc_irq; int sc_ist; pckbc_slot_t sc_slot; /* Only on keyboard port... */ void *sc_ih; struct pckbc_pnpbios_softc *sc_aux_port; }; extern struct cfdriver pckbc_cd; struct cfattach pckbc_pnpbios_ca = { sizeof(struct pckbc_pnpbios_softc), pckbc_pnpbios_match, pckbc_pnpbios_attach, }; void pckbc_pnpbios_intr_establish(struct pckbc_softc *, pckbc_slot_t); int pckbc_pnpbios_match(struct device *parent, struct cfdata *match, void *aux) { struct pnpbiosdev_attach_args *aa = aux; if (strcmp(aa->idstr, "PNP0303") == 0) return (1); if (strcmp(aa->idstr, "PNP0F13") == 0) return (1); return (0); } void pckbc_pnpbios_attach(struct device *parent, struct device *self, void *aux) { struct pckbc_pnpbios_softc *psc = (void *) self, *peer_psc, *kbd_psc; struct pckbc_softc *sc = &psc->sc_pckbc; struct pckbc_internal *t; struct pnpbiosdev_attach_args *aa = aux; bus_space_tag_t iot; bus_space_handle_t ioh_d, ioh_c; pckbc_slot_t peer; int iobase, i; if (strcmp(aa->idstr, "PNP0303") == 0) { psc->sc_slot = PCKBC_KBD_SLOT; peer = PCKBC_AUX_SLOT; } else if (strcmp(aa->idstr, "PNP0F13") == 0) { psc->sc_slot = PCKBC_AUX_SLOT; peer = PCKBC_KBD_SLOT; } else { printf(": unknown port!\n"); panic("pckbc_pnpbios_attach: impossible"); } printf(": %s port\n", pckbc_slot_names[psc->sc_slot]); if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &psc->sc_irq, &psc->sc_ist) != 0) { printf("%s: unable to get IRQ number or type\n", sc->sc_dv.dv_xname); return; } if (psc->sc_slot == PCKBC_KBD_SLOT) { if (pnpbios_getiobase(aa->pbt, aa->resc, 0, &iot, &iobase)) { printf("%s: can't get iobase\n", sc->sc_dv.dv_xname); return; } sc->intr_establish = pckbc_pnpbios_intr_establish; if (pckbc_is_console(iot, iobase)) { t = &pckbc_consdata; ioh_d = t->t_ioh_d; ioh_c = t->t_ioh_c; pckbc_console_attached = 1; /* t->t_cmdbyte was initialized by cnattach */ } else { if (pnpbios_io_map(aa->pbt, aa->resc, 0, &iot, &ioh_d) || pnpbios_io_map(aa->pbt, aa->resc, 1, &iot, &ioh_c)) panic("pckbc_pnpbios_attach: couldn't map"); t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK); memset(t, 0, sizeof(*t)); t->t_iot = iot; t->t_ioh_d = ioh_d; t->t_ioh_c = ioh_c; t->t_addr = iobase; t->t_cmdbyte = KC8_CPU; /* Enable ports */ callout_init(&t->t_cleanup); } t->t_sc = sc; sc->id = t; } for (i = 0; i < pckbc_cd.cd_ndevs; i++) { peer_psc = pckbc_cd.cd_devs[i]; if (peer_psc != NULL && peer_psc != psc && peer_psc->sc_pckbc.sc_dv.dv_parent == psc->sc_pckbc.sc_dv.dv_parent) break; peer_psc = NULL; } if (peer_psc != NULL) { /* * Have both -- finish attaching the one marked "keyboard". */ if (psc->sc_slot == PCKBC_KBD_SLOT) { kbd_psc = psc; kbd_psc->sc_aux_port = peer_psc; } else { kbd_psc = peer_psc; kbd_psc->sc_aux_port = psc; } pckbc_attach(&kbd_psc->sc_pckbc); } } void pckbc_pnpbios_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot) { struct pckbc_pnpbios_softc *psc = (void *) sc; void *rv; int irq, ist; /* * Note we're always called with the keyboard slot. */ if (slot == PCKBC_KBD_SLOT) { irq = psc->sc_irq; ist = psc->sc_ist; } else { irq = psc->sc_aux_port->sc_irq; ist = psc->sc_aux_port->sc_ist; } rv = isa_intr_establish(0/*XXX*/, irq, ist, IPL_TTY, pckbcintr, sc); 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, irq, pckbc_slot_names[slot]); } }