1 /* $NetBSD: pckbc_ofisa.c,v 1.7 2002/10/02 16:34:30 thorpej 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 1.7 2002/10/02 16:34:30 thorpej 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 CFATTACH_DECL(pckbc_ofisa, sizeof(struct pckbc_ofisa_softc), 71 pckbc_ofisa_match, pckbc_ofisa_attach, NULL, NULL); 72 73 static void pckbc_ofisa_intr_establish (struct pckbc_softc *, pckbc_slot_t); 74 75 static const char *const kb_compatible_strings[] = { "pnpPNP,303", NULL }; 76 static const char *const ms_compatible_strings[] = { "pnpPNP,f03", NULL }; 77 78 static int 79 pckbc_ofisa_match(struct device *parent, struct cfdata *match, void *aux) 80 { 81 struct ofisa_attach_args *aa = aux; 82 static const char *const compatible_strings[] = { "INTC,80c42", NULL }; 83 int rv = 0; 84 85 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) 86 rv = 5; 87 88 return (rv); 89 } 90 91 static void 92 pckbc_ofisa_attach(struct device *parent, struct device *self, void *aux) 93 { 94 struct pckbc_ofisa_softc *osc = (void *)self; 95 struct pckbc_softc *sc = &osc->sc_pckbc; 96 struct ofisa_attach_args *aa = aux; 97 struct pckbc_internal *t; 98 bus_space_tag_t iot; 99 bus_space_handle_t ioh_d, ioh_c; 100 struct ofisa_reg_desc regs[2]; 101 int phandle; 102 int n; 103 104 osc->sc_ic = aa->ic; 105 iot = aa->iot; 106 107 phandle = OF_child(aa->oba.oba_phandle); 108 while (phandle != 0) { 109 if (of_compatible(phandle, kb_compatible_strings) != -1) { 110 ofisa_intr_get(phandle, &osc->sc_intr[PCKBC_KBD_SLOT], 1); 111 } else if (of_compatible(phandle, ms_compatible_strings) != -1) { 112 ofisa_intr_get(phandle, &osc->sc_intr[PCKBC_AUX_SLOT], 1); 113 } 114 phandle = OF_peer(phandle); 115 } 116 117 sc->intr_establish = pckbc_ofisa_intr_establish; 118 119 if (pckbc_is_console(iot, IO_KBD)) { 120 t = &pckbc_consdata; 121 ioh_d = t->t_ioh_d; 122 ioh_c = t->t_ioh_c; 123 pckbc_console_attached = 1; 124 /* t->t_cmdbyte was initialized by cnattach */ 125 } else { 126 n = ofisa_reg_get(aa->oba.oba_phandle, regs, 2); 127 if (n != 2 || regs[0].type != OFISA_REG_TYPE_IO || regs[1].type != OFISA_REG_TYPE_IO 128 || bus_space_map(iot, regs[0].addr, regs[0].len, 0, &ioh_d) 129 || bus_space_map(iot, regs[1].addr, regs[1].len, 0, &ioh_c)) 130 panic("pckbc_attach: couldn't map"); 131 132 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, 133 M_WAITOK|M_ZERO); 134 t->t_iot = iot; 135 t->t_ioh_d = ioh_d; 136 t->t_ioh_c = ioh_c; 137 t->t_addr = regs[0].addr; 138 t->t_cmdbyte = KC8_CPU; /* Enable ports */ 139 callout_init(&t->t_cleanup); 140 } 141 142 t->t_sc = sc; 143 sc->id = t; 144 145 printf("\n"); 146 147 /* Finish off the attach. */ 148 pckbc_attach(sc); 149 } 150 151 static void 152 pckbc_ofisa_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot) 153 { 154 struct pckbc_ofisa_softc *osc = (void *) sc; 155 void *rv; 156 157 rv = isa_intr_establish(osc->sc_ic, osc->sc_intr[slot].irq, osc->sc_intr[slot].share, 158 IPL_TTY, pckbcintr, sc); 159 if (rv == NULL) { 160 printf("%s: unable to establish interrupt for %s slot\n", 161 sc->sc_dv.dv_xname, pckbc_slot_names[slot]); 162 } else { 163 printf("%s: using irq %d for %s slot\n", sc->sc_dv.dv_xname, 164 osc->sc_intr[slot].irq, pckbc_slot_names[slot]); 165 } 166 } 167