1 /* $NetBSD: pckbc_ofisa.c,v 1.3 2002/01/14 13:32:46 tsutsui 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/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: pckbc_ofisa.c,v 1.3 2002/01/14 13:32:46 tsutsui Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/proc.h> 43 #include <sys/device.h> 44 #include <sys/malloc.h> 45 #include <sys/errno.h> 46 #include <sys/queue.h> 47 #include <sys/lock.h> 48 49 #include <machine/bus.h> 50 51 #include <dev/isa/isareg.h> 52 #include <dev/isa/isavar.h> 53 54 #include <dev/ofw/openfirm.h> 55 #include <dev/ofisa/ofisavar.h> 56 57 #include <dev/ic/i8042reg.h> 58 #include <dev/ic/pckbcvar.h> 59 60 static int pckbc_ofisa_match (struct device *, struct cfdata *, void *); 61 static void pckbc_ofisa_attach (struct device *, struct device *, void *); 62 63 struct pckbc_ofisa_softc { 64 struct pckbc_softc sc_pckbc; 65 66 isa_chipset_tag_t sc_ic; 67 struct ofisa_intr_desc sc_intr[PCKBC_NSLOTS]; 68 }; 69 70 struct cfattach pckbc_ofisa_ca = { 71 sizeof(struct pckbc_ofisa_softc), pckbc_ofisa_match, pckbc_ofisa_attach, 72 }; 73 74 static void pckbc_ofisa_intr_establish (struct pckbc_softc *, pckbc_slot_t); 75 76 static const char *kb_compatible_strings[] = { "pnpPNP,303", NULL }; 77 static const char *ms_compatible_strings[] = { "pnpPNP,f03", NULL }; 78 79 static int 80 pckbc_ofisa_match(struct device *parent, struct cfdata *match, void *aux) 81 { 82 struct ofisa_attach_args *aa = aux; 83 static const char *compatible_strings[] = { "INTC,80c42", NULL }; 84 int rv = 0; 85 86 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) 87 rv = 5; 88 89 return (rv); 90 } 91 92 static void 93 pckbc_ofisa_attach(struct device *parent, struct device *self, void *aux) 94 { 95 struct pckbc_ofisa_softc *osc = (void *)self; 96 struct pckbc_softc *sc = &osc->sc_pckbc; 97 struct ofisa_attach_args *aa = aux; 98 struct pckbc_internal *t; 99 bus_space_tag_t iot; 100 bus_space_handle_t ioh_d, ioh_c; 101 struct ofisa_reg_desc regs[2]; 102 int phandle; 103 int n; 104 105 osc->sc_ic = aa->ic; 106 iot = aa->iot; 107 108 phandle = OF_child(aa->oba.oba_phandle); 109 while (phandle != 0) { 110 if (of_compatible(phandle, kb_compatible_strings) != -1) { 111 ofisa_intr_get(phandle, &osc->sc_intr[PCKBC_KBD_SLOT], 1); 112 } else if (of_compatible(phandle, ms_compatible_strings) != -1) { 113 ofisa_intr_get(phandle, &osc->sc_intr[PCKBC_AUX_SLOT], 1); 114 } 115 phandle = OF_peer(phandle); 116 } 117 118 sc->intr_establish = pckbc_ofisa_intr_establish; 119 120 if (pckbc_is_console(iot, IO_KBD)) { 121 t = &pckbc_consdata; 122 ioh_d = t->t_ioh_d; 123 ioh_c = t->t_ioh_c; 124 pckbc_console_attached = 1; 125 /* t->t_cmdbyte was initialized by cnattach */ 126 } else { 127 n = ofisa_reg_get(aa->oba.oba_phandle, regs, 2); 128 if (n != 2 || regs[0].type != OFISA_REG_TYPE_IO || regs[1].type != OFISA_REG_TYPE_IO 129 || bus_space_map(iot, regs[0].addr, regs[0].len, 0, &ioh_d) 130 || bus_space_map(iot, regs[1].addr, regs[1].len, 0, &ioh_c)) 131 panic("pckbc_attach: couldn't map"); 132 133 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, 134 M_WAITOK|M_ZERO); 135 t->t_iot = iot; 136 t->t_ioh_d = ioh_d; 137 t->t_ioh_c = ioh_c; 138 t->t_addr = regs[0].addr; 139 t->t_cmdbyte = KC8_CPU; /* Enable ports */ 140 callout_init(&t->t_cleanup); 141 } 142 143 t->t_sc = sc; 144 sc->id = t; 145 146 printf("\n"); 147 148 /* Finish off the attach. */ 149 pckbc_attach(sc); 150 } 151 152 static void 153 pckbc_ofisa_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot) 154 { 155 struct pckbc_ofisa_softc *osc = (void *) sc; 156 void *rv; 157 158 rv = isa_intr_establish(osc->sc_ic, osc->sc_intr[slot].irq, osc->sc_intr[slot].share, 159 IPL_TTY, pckbcintr, sc); 160 if (rv == NULL) { 161 printf("%s: unable to establish interrupt for %s slot\n", 162 sc->sc_dv.dv_xname, pckbc_slot_names[slot]); 163 } else { 164 printf("%s: using irq %d for %s slot\n", sc->sc_dv.dv_xname, 165 osc->sc_intr[slot].irq, pckbc_slot_names[slot]); 166 } 167 } 168