1 /* $NetBSD: pckbc_ofisa.c,v 1.15 2008/03/15 13:23:25 cube 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 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 __KERNEL_RCSID(0, "$NetBSD: pckbc_ofisa.c,v 1.15 2008/03/15 13:23:25 cube Exp $"); 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/kernel.h> 36 #include <sys/proc.h> 37 #include <sys/device.h> 38 #include <sys/malloc.h> 39 #include <sys/errno.h> 40 #include <sys/queue.h> 41 #include <sys/bus.h> 42 43 #include <dev/isa/isareg.h> 44 #include <dev/isa/isavar.h> 45 46 #include <dev/ofw/openfirm.h> 47 #include <dev/ofisa/ofisavar.h> 48 49 #include <dev/ic/i8042reg.h> 50 #include <dev/ic/pckbcvar.h> 51 52 static int pckbc_ofisa_match (device_t, cfdata_t, void *); 53 static void pckbc_ofisa_attach (device_t, device_t, void *); 54 55 struct pckbc_ofisa_softc { 56 struct pckbc_softc sc_pckbc; 57 58 isa_chipset_tag_t sc_ic; 59 struct ofisa_intr_desc sc_intr[PCKBC_NSLOTS]; 60 }; 61 62 CFATTACH_DECL_NEW(pckbc_ofisa, sizeof(struct pckbc_ofisa_softc), 63 pckbc_ofisa_match, pckbc_ofisa_attach, NULL, NULL); 64 65 static void pckbc_ofisa_intr_establish (struct pckbc_softc *, pckbc_slot_t); 66 67 static const char *const kb_compatible_strings[] = { "pnpPNP,303", NULL }; 68 static const char *const ms_compatible_strings[] = { "pnpPNP,f03", NULL }; 69 70 static int 71 pckbc_ofisa_match(device_t parent, cfdata_t match, void *aux) 72 { 73 struct ofisa_attach_args *aa = aux; 74 static const char *const compatible_strings[] = { "INTC,80c42", NULL }; 75 int rv = 0; 76 77 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) 78 rv = 5; 79 80 return (rv); 81 } 82 83 static void 84 pckbc_ofisa_attach(device_t parent, device_t self, void *aux) 85 { 86 struct pckbc_ofisa_softc *osc = device_private(self); 87 struct pckbc_softc *sc = &osc->sc_pckbc; 88 struct ofisa_attach_args *aa = aux; 89 struct pckbc_internal *t; 90 bus_space_tag_t iot; 91 bus_space_handle_t ioh_d, ioh_c; 92 struct ofisa_reg_desc regs[2]; 93 int phandle; 94 int n; 95 96 sc->sc_dv = self; 97 osc->sc_ic = aa->ic; 98 iot = aa->iot; 99 100 phandle = OF_child(aa->oba.oba_phandle); 101 while (phandle != 0) { 102 if (of_compatible(phandle, kb_compatible_strings) != -1) { 103 ofisa_intr_get(phandle, &osc->sc_intr[PCKBC_KBD_SLOT], 1); 104 } else if (of_compatible(phandle, ms_compatible_strings) != -1) { 105 ofisa_intr_get(phandle, &osc->sc_intr[PCKBC_AUX_SLOT], 1); 106 } 107 phandle = OF_peer(phandle); 108 } 109 110 sc->intr_establish = pckbc_ofisa_intr_establish; 111 112 if (pckbc_is_console(iot, IO_KBD)) { 113 t = &pckbc_consdata; 114 ioh_d = t->t_ioh_d; 115 ioh_c = t->t_ioh_c; 116 pckbc_console_attached = 1; 117 /* t->t_cmdbyte was initialized by cnattach */ 118 } else { 119 n = ofisa_reg_get(aa->oba.oba_phandle, regs, 2); 120 if (n != 2 || regs[0].type != OFISA_REG_TYPE_IO || regs[1].type != OFISA_REG_TYPE_IO 121 || bus_space_map(iot, regs[0].addr, regs[0].len, 0, &ioh_d) 122 || bus_space_map(iot, regs[1].addr, regs[1].len, 0, &ioh_c)) 123 panic("pckbc_attach: couldn't map"); 124 125 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, 126 M_WAITOK|M_ZERO); 127 t->t_iot = iot; 128 t->t_ioh_d = ioh_d; 129 t->t_ioh_c = ioh_c; 130 t->t_addr = regs[0].addr; 131 t->t_cmdbyte = KC8_CPU; /* Enable ports */ 132 callout_init(&t->t_cleanup, 0); 133 } 134 135 t->t_sc = sc; 136 sc->id = t; 137 138 aprint_normal("\n"); 139 140 /* Finish off the attach. */ 141 pckbc_attach(sc); 142 } 143 144 static void 145 pckbc_ofisa_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot) 146 { 147 struct pckbc_ofisa_softc *osc = (void *) sc; 148 void *rv; 149 150 rv = isa_intr_establish(osc->sc_ic, osc->sc_intr[slot].irq, osc->sc_intr[slot].share, 151 IPL_TTY, pckbcintr, sc); 152 if (rv == NULL) { 153 aprint_error_dev(sc->sc_dv, 154 "unable to establish interrupt for %s slot\n", 155 pckbc_slot_names[slot]); 156 } else { 157 aprint_normal_dev(sc->sc_dv, "using irq %d for %s slot\n", 158 osc->sc_intr[slot].irq, pckbc_slot_names[slot]); 159 } 160 } 161