1/* $OpenBSD: pckbc_isa.c,v 1.19 2015/08/18 06:54:00 stsp Exp $ */ 2/* $NetBSD: pckbc_isa.c,v 1.2 2000/03/23 07:01:35 thorpej Exp $ */ 3 4/* 5 * Copyright (c) 1998 6 * Matthias Drochner. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/device.h> 32#include <sys/malloc.h> 33 34#include <machine/bus.h> 35 36#include <dev/isa/isareg.h> 37#include <dev/isa/isavar.h> 38 39#include <dev/ic/i8042reg.h> 40#include <dev/ic/pckbcvar.h> 41 42int pckbc_isa_match(struct device *, void *, void *); 43void pckbc_isa_attach(struct device *, struct device *, void *); 44int pckbc_isa_activate(struct device *, int); 45 46const struct cfattach pckbc_isa_ca = { 47 sizeof(struct pckbc_softc), pckbc_isa_match, pckbc_isa_attach, 48 NULL, pckbc_isa_activate 49}; 50 51int 52pckbc_isa_match(struct device *parent, void *match, void *aux) 53{ 54 struct isa_attach_args *ia = aux; 55 bus_space_tag_t iot = ia->ia_iot; 56 bus_space_handle_t ioh_d, ioh_c; 57 int res; 58 59 /* If values are hardwired to something that they can't be, punt. */ 60 if ((ia->ia_iobase != IOBASEUNK && ia->ia_iobase != IO_KBD) || 61 ia->ia_maddr != MADDRUNK || 62 (ia->ia_irq != IRQUNK && ia->ia_irq != 1 /* XXX */) || 63 ia->ia_drq != DRQUNK) 64 return (0); 65 66 if (pckbc_is_console(iot, IO_KBD) == 0) { 67 if (bus_space_map(iot, IO_KBD + KBDATAP, 1, 0, &ioh_d)) 68 return (0); 69 if (bus_space_map(iot, IO_KBD + KBCMDP, 1, 0, &ioh_c)) 70 goto fail; 71 72 /* flush KBC */ 73 (void) pckbc_poll_data1(iot, ioh_d, ioh_c, PCKBC_KBD_SLOT, 0); 74 75 /* KBC selftest */ 76 if (pckbc_send_cmd(iot, ioh_c, KBC_SELFTEST) == 0) 77 goto fail2; 78 res = pckbc_poll_data1(iot, ioh_d, ioh_c, PCKBC_KBD_SLOT, 0); 79 if (res != 0x55) { 80 printf("kbc selftest: %x\n", res); 81 goto fail2; 82 } 83 bus_space_unmap(iot, ioh_c, 1); 84 bus_space_unmap(iot, ioh_d, 1); 85 } 86 87 ia->ia_iobase = IO_KBD; 88 ia->ia_iosize = 5; 89 ia->ia_msize = 0x0; 90 ia->ipa_nirq = PCKBC_NSLOTS; 91 ia->ipa_irq[PCKBC_KBD_SLOT].num = 1; 92 ia->ipa_irq[PCKBC_AUX_SLOT].num = 12; 93 94 return (1); 95 96fail2: 97 bus_space_unmap(iot, ioh_c, 1); 98fail: 99 bus_space_unmap(iot, ioh_d, 1); 100 return (0); 101} 102 103int 104pckbc_isa_activate(struct device *self, int act) 105{ 106 struct pckbc_softc *sc = (struct pckbc_softc *)self; 107 int rv = 0; 108 109 switch (act) { 110 case DVACT_SUSPEND: 111 rv = config_activate_children(self, act); 112 pckbc_stop(sc); 113 break; 114 case DVACT_RESUME: 115 pckbc_reset(sc); 116 rv = config_activate_children(self, act); 117 break; 118 default: 119 rv = config_activate_children(self, act); 120 break; 121 } 122 return (rv); 123} 124 125void 126pckbc_isa_attach(struct device *parent, struct device *self, void *aux) 127{ 128 struct pckbc_softc *sc = (struct pckbc_softc *)self; 129 struct cfdata *cf = self->dv_cfdata; 130 struct isa_attach_args *ia = aux; 131 struct pckbc_internal *t; 132 bus_space_tag_t iot; 133 bus_space_handle_t ioh_d, ioh_c; 134 void *rv; 135 int slot; 136 137 iot = ia->ia_iot; 138 139 printf("\n"); 140 141 for (slot = 0; slot < PCKBC_NSLOTS; slot++) { 142 rv = isa_intr_establish(ia->ia_ic, ia->ipa_irq[slot].num, 143 IST_EDGE, IPL_TTY, pckbcintr, sc, sc->sc_dv.dv_xname); 144 if (rv == NULL) { 145 printf("%s: unable to establish interrupt for irq %d\n", 146 sc->sc_dv.dv_xname, ia->ipa_irq[slot].num); 147 /* XXX fail attach? */ 148 } 149 } 150 151 if (pckbc_is_console(iot, IO_KBD)) { 152 t = &pckbc_consdata; 153 pckbc_console_attached = 1; 154 /* t->t_cmdbyte was initialized by cnattach */ 155 } else { 156 if (bus_space_map(iot, IO_KBD + KBDATAP, 1, 0, &ioh_d) || 157 bus_space_map(iot, IO_KBD + KBCMDP, 1, 0, &ioh_c)) 158 panic("pckbc_attach: couldn't map"); 159 160 t = malloc(sizeof(*t), M_DEVBUF, M_WAITOK | M_ZERO); 161 t->t_iot = iot; 162 t->t_ioh_d = ioh_d; 163 t->t_ioh_c = ioh_c; 164 t->t_addr = IO_KBD; 165 t->t_cmdbyte = KC8_CPU; /* Enable ports */ 166 } 167 168 t->t_sc = sc; 169 sc->id = t; 170 171 /* Finish off the attach. */ 172 pckbc_attach(sc, cf->cf_flags); 173} 174