/* $NetBSD: pckbc_acpi.c,v 1.15 2004/05/01 12:03:48 kochi 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. */ /* * ACPI attachment for the PC Keyboard Controller driver. * * This is a little wonky. The keyboard controller actually * has 2 ACPI 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 __KERNEL_RCSID(0, "$NetBSD: pckbc_acpi.c,v 1.15 2004/05/01 12:03:48 kochi Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static int pckbc_acpi_match(struct device *, struct cfdata *, void *); static void pckbc_acpi_attach(struct device *, struct device *, void *); struct pckbc_acpi_softc { struct pckbc_softc sc_pckbc; isa_chipset_tag_t sc_ic; int sc_irq; int sc_ist; pckbc_slot_t sc_slot; }; /* Save first port: */ static struct pckbc_acpi_softc *first; extern struct cfdriver pckbc_cd; CFATTACH_DECL(pckbc_acpi, sizeof(struct pckbc_acpi_softc), pckbc_acpi_match, pckbc_acpi_attach, NULL, NULL); static void pckbc_acpi_intr_establish(struct pckbc_softc *, pckbc_slot_t); /* * Supported Device IDs */ static const char * const pckbc_acpi_ids_kbd[] = { "PNP03??", /* Standard PC KBD port */ NULL }; static const char * const pckbc_acpi_ids_ms[] = { "PNP0F03", "PNP0F0E", "PNP0F12", "PNP0F13", "PNP0F19", "PNP0F1B", "PNP0F1C", NULL }; /* * pckbc_acpi_match: autoconf(9) match routine */ static int pckbc_acpi_match(struct device *parent, struct cfdata *match, void *aux) { struct acpi_attach_args *aa = aux; int rv; if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) return 0; rv = acpi_match_hid(aa->aa_node->ad_devinfo, pckbc_acpi_ids_kbd); if (rv) return rv; rv = acpi_match_hid(aa->aa_node->ad_devinfo, pckbc_acpi_ids_ms); if (rv) return rv; return 0; } static void pckbc_acpi_attach(struct device *parent, struct device *self, void *aux) { struct pckbc_acpi_softc *psc = (void *) self; struct pckbc_softc *sc = &psc->sc_pckbc; struct pckbc_internal *t; struct acpi_attach_args *aa = aux; bus_space_handle_t ioh_d, ioh_c; pckbc_slot_t peer; struct acpi_resources res; struct acpi_io *io0, *io1; struct acpi_irq *irq; ACPI_STATUS rv; psc->sc_ic = aa->aa_ic; if (acpi_match_hid(aa->aa_node->ad_devinfo, pckbc_acpi_ids_kbd)) { psc->sc_slot = PCKBC_KBD_SLOT; peer = PCKBC_AUX_SLOT; } else if (acpi_match_hid(aa->aa_node->ad_devinfo, pckbc_acpi_ids_ms)) { psc->sc_slot = PCKBC_AUX_SLOT; peer = PCKBC_KBD_SLOT; } else { printf(": unknown port!\n"); panic("pckbc_acpi_attach: impossible"); } printf(": %s port\n", pckbc_slot_names[psc->sc_slot]); /* parse resources */ rv = acpi_resource_parse(&sc->sc_dv, aa->aa_node->ad_handle, "_CRS", &res, &acpi_resource_parse_ops_default); if (ACPI_FAILURE(rv)) return; /* find our IRQ */ irq = acpi_res_irq(&res, 0); if (irq == NULL) { printf("%s: unable to find irq resource\n", sc->sc_dv.dv_xname); goto out; } psc->sc_irq = irq->ar_irq; psc->sc_ist = (irq->ar_type == ACPI_EDGE_SENSITIVE) ? IST_EDGE : IST_LEVEL; if (psc->sc_slot == PCKBC_KBD_SLOT) first = psc; if ((!first || !first->sc_pckbc.id) && (psc->sc_slot == PCKBC_KBD_SLOT)) { io0 = acpi_res_io(&res, 0); if (io0 == NULL) { printf("%s: unable to find i/o resources\n", sc->sc_dv.dv_xname); goto out; } if (pckbc_is_console(aa->aa_iot, io0->ar_base)) { 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 { io1 = acpi_res_io(&res, 1); if (io1 == NULL) { printf("%s: unable to find i/o resources\n", sc->sc_dv.dv_xname); goto out; } if (bus_space_map(aa->aa_iot, io0->ar_base, io0->ar_length, 0, &ioh_d) || bus_space_map(aa->aa_iot, io1->ar_base, io1->ar_length, 0, &ioh_c)) panic("pckbc_acpi_attach: couldn't map"); t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK); memset(t, 0, sizeof(*t)); t->t_iot = aa->aa_iot; t->t_ioh_d = ioh_d; t->t_ioh_c = ioh_c; t->t_addr = io0->ar_base; t->t_cmdbyte = KC8_CPU; /* Enable ports */ callout_init(&t->t_cleanup); } t->t_sc = &first->sc_pckbc; first->sc_pckbc.id = t; first->sc_pckbc.intr_establish = pckbc_acpi_intr_establish; config_defer(&first->sc_pckbc.sc_dv, (void(*)(struct device *))pckbc_attach); } out: acpi_resource_cleanup(&res); } static void pckbc_acpi_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot) { struct pckbc_acpi_softc *psc; isa_chipset_tag_t ic = NULL; void *rv = NULL; int irq = 0, ist = 0; /* XXX: gcc */ int i; /* * Note we're always called with sc == first. */ for (i = 0; i < pckbc_cd.cd_ndevs; i++) { psc = pckbc_cd.cd_devs[i]; if (psc && psc->sc_slot == slot) { irq = psc->sc_irq; ist = psc->sc_ist; ic = psc->sc_ic; break; } } if (i < pckbc_cd.cd_ndevs) rv = isa_intr_establish(ic, 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]); } }