pckbc_ofisa.c revision 1.1
1/* $NetBSD: pckbc_ofisa.c,v 1.1 2001/02/26 02:39:30 matt Exp $ */ 2 3/* 4 * Copyright (c) 1998 5 * Matthias Drochner. All rights reserved. 6 * Copyright (c) 2001 7 * Matt Thomas. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project 20 * by Matthias Drochner. 21 * 4. The name of the author may not be used to endorse or promote products 22 * derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36#include <sys/param.h> 37#include <sys/systm.h> 38#include <sys/kernel.h> 39#include <sys/proc.h> 40#include <sys/device.h> 41#include <sys/malloc.h> 42#include <sys/errno.h> 43#include <sys/queue.h> 44#include <sys/lock.h> 45 46#include <machine/bus.h> 47 48#include <dev/isa/isareg.h> 49#include <dev/isa/isavar.h> 50 51#include <dev/ofw/openfirm.h> 52#include <dev/ofisa/ofisavar.h> 53 54#include <dev/ic/i8042reg.h> 55#include <dev/ic/pckbcvar.h> 56 57static int pckbc_ofisa_match (struct device *, struct cfdata *, void *); 58static void pckbc_ofisa_attach (struct device *, struct device *, void *); 59 60struct pckbc_ofisa_softc { 61 struct pckbc_softc sc_pckbc; 62 63 isa_chipset_tag_t sc_ic; 64 struct ofisa_intr_desc sc_intr[PCKBC_NSLOTS]; 65}; 66 67struct cfattach pckbc_ofisa_ca = { 68 sizeof(struct pckbc_ofisa_softc), pckbc_ofisa_match, pckbc_ofisa_attach, 69}; 70 71static void pckbc_ofisa_intr_establish (struct pckbc_softc *, pckbc_slot_t); 72 73static const char *kb_compatible_strings[] = { "pnpPNP,303", NULL }; 74static const char *ms_compatible_strings[] = { "pnpPNP,f03", NULL }; 75 76static int 77pckbc_ofisa_match(struct device *parent, struct cfdata *match, void *aux) 78{ 79 struct ofisa_attach_args *aa = aux; 80 static const char *compatible_strings[] = { "INTC,80c42", NULL }; 81 int rv = 0; 82 83 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) 84 rv = 5; 85 86 return (rv); 87} 88 89static void 90pckbc_ofisa_attach(struct device *parent, struct device *self, void *aux) 91{ 92 struct pckbc_ofisa_softc *osc = (void *)self; 93 struct pckbc_softc *sc = &osc->sc_pckbc; 94 struct ofisa_attach_args *aa = aux; 95 struct pckbc_internal *t; 96 bus_space_tag_t iot; 97 bus_space_handle_t ioh_d, ioh_c; 98 struct ofisa_reg_desc regs[2]; 99 int phandle; 100 int n; 101 102 osc->sc_ic = aa->ic; 103 iot = aa->iot; 104 105 phandle = OF_child(aa->oba.oba_phandle); 106 while (phandle != 0) { 107 if (of_compatible(phandle, kb_compatible_strings) != -1) { 108 ofisa_intr_get(phandle, &osc->sc_intr[PCKBC_KBD_SLOT], 1); 109 } else if (of_compatible(phandle, ms_compatible_strings) != -1) { 110 ofisa_intr_get(phandle, &osc->sc_intr[PCKBC_AUX_SLOT], 1); 111 } 112 phandle = OF_peer(phandle); 113 } 114 115 sc->intr_establish = pckbc_ofisa_intr_establish; 116 117 if (pckbc_is_console(iot, IO_KBD)) { 118 t = &pckbc_consdata; 119 ioh_d = t->t_ioh_d; 120 ioh_c = t->t_ioh_c; 121 pckbc_console_attached = 1; 122 /* t->t_cmdbyte was initialized by cnattach */ 123 } else { 124 n = ofisa_reg_get(aa->oba.oba_phandle, regs, 2); 125 if (n != 2 || regs[0].type != OFISA_REG_TYPE_IO || regs[1].type != OFISA_REG_TYPE_IO 126 || bus_space_map(iot, regs[0].addr, regs[0].len, 0, &ioh_d) 127 || bus_space_map(iot, regs[1].addr, regs[1].len, 0, &ioh_c)) 128 panic("pckbc_attach: couldn't map"); 129 130 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK); 131 bzero(t, sizeof(struct pckbc_internal)); 132 t->t_iot = iot; 133 t->t_ioh_d = ioh_d; 134 t->t_ioh_c = ioh_c; 135 t->t_addr = regs[0].addr; 136 t->t_cmdbyte = KC8_CPU; /* Enable ports */ 137 callout_init(&t->t_cleanup); 138 } 139 140 t->t_sc = sc; 141 sc->id = t; 142 143 printf("\n"); 144 145 /* Finish off the attach. */ 146 pckbc_attach(sc); 147} 148 149static void 150pckbc_ofisa_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot) 151{ 152 struct pckbc_ofisa_softc *osc = (void *) sc; 153 void *rv; 154 155 rv = isa_intr_establish(osc->sc_ic, osc->sc_intr[slot].irq, osc->sc_intr[slot].share, 156 IPL_TTY, pckbcintr, sc); 157 if (rv == NULL) { 158 printf("%s: unable to establish interrupt for %s slot\n", 159 sc->sc_dv.dv_xname, pckbc_slot_names[slot]); 160 } else { 161 printf("%s: using irq %d for %s slot\n", sc->sc_dv.dv_xname, 162 osc->sc_intr[slot].irq, pckbc_slot_names[slot]); 163 } 164} 165