1/* $NetBSD: pckbc_jazzio.c,v 1.19 2020/11/18 02:14:13 thorpej 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/cdefs.h> 30__KERNEL_RCSID(0, "$NetBSD: pckbc_jazzio.c,v 1.19 2020/11/18 02:14:13 thorpej Exp $"); 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/kernel.h> 35#include <sys/proc.h> 36#include <sys/device.h> 37#include <sys/kmem.h> 38#include <sys/errno.h> 39#include <sys/queue.h> 40#include <sys/bus.h> 41 42#include <machine/autoconf.h> 43#include <arc/jazz/pica.h> 44#include <arc/jazz/jazziovar.h> 45 46#include <dev/ic/i8042reg.h> 47#include <dev/ic/pckbcvar.h> 48#include <arc/jazz/pckbc_jazzioreg.h> 49 50#define PMS_INTR 7 /* XXX - should be obtained from firmware */ 51#define PICA_KBCMDP (PICA_SYS_KBD + JAZZIO_KBCMDP) 52 53int pckbc_jazzio_match(device_t, cfdata_t, void *); 54void pckbc_jazzio_attach(device_t, device_t, void *); 55void pckbc_jazzio_intr_establish(struct pckbc_softc *, pckbc_slot_t); 56 57struct pckbc_jazzio_softc { 58 struct pckbc_softc sc_pckbc; 59 60 int sc_intr[PCKBC_NSLOTS]; 61}; 62 63CFATTACH_DECL_NEW(pckbc_jazzio, sizeof(struct pckbc_jazzio_softc), 64 pckbc_jazzio_match, pckbc_jazzio_attach, NULL, NULL); 65 66int 67pckbc_jazzio_match(device_t parent, cfdata_t match, void *aux) 68{ 69 struct jazzio_attach_args *ja = aux; 70 bus_space_tag_t iot = ja->ja_bust; 71 bus_space_handle_t ioh_d, ioh_c; 72 bus_addr_t addr = ja->ja_addr; 73 int res, ok = 1; 74 75 if (strcmp(ja->ja_name, "I8742") != 0) 76 return 0; 77 78 if (pckbc_is_console(iot, addr) == 0) { 79 struct pckbc_internal t; 80 81 if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d)) 82 return 0; 83 if (bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c)) { 84 bus_space_unmap(iot, ioh_d, 1); 85 return 0; 86 } 87 88 memset(&t, 0, sizeof(t)); 89 t.t_iot = iot; 90 t.t_ioh_d = ioh_d; 91 t.t_ioh_c = ioh_c; 92 93 /* flush KBC */ 94 (void)pckbc_poll_data1(&t, PCKBC_KBD_SLOT); 95 96 /* KBC selftest */ 97 if (pckbc_send_cmd(iot, ioh_c, KBC_SELFTEST) == 0) { 98 ok = 0; 99 goto out; 100 } 101 res = pckbc_poll_data1(&t, PCKBC_KBD_SLOT); 102 if (res != 0x55) { 103 printf("kbc selftest: %x\n", res); 104 ok = 0; 105 } 106 out: 107 bus_space_unmap(iot, ioh_d, 1); 108 bus_space_unmap(iot, ioh_c, 1); 109 } 110 111 return ok; 112} 113 114void 115pckbc_jazzio_attach(device_t parent, device_t self, void *aux) 116{ 117 struct jazzio_attach_args *ja = aux; 118 struct pckbc_jazzio_softc *jsc = device_private(self); 119 struct pckbc_softc *sc = &jsc->sc_pckbc; 120 struct pckbc_internal *t; 121 bus_space_tag_t iot = ja->ja_bust; 122 bus_space_handle_t ioh_d, ioh_c; 123 bus_addr_t addr = ja->ja_addr; 124 125 sc->sc_dv = self; 126 sc->intr_establish = pckbc_jazzio_intr_establish; 127 128 /* 129 * To establish interrupt handler 130 * 131 * XXX handcrafting "aux" slot... 132 */ 133 jsc->sc_intr[PCKBC_KBD_SLOT] = ja->ja_intr; 134 jsc->sc_intr[PCKBC_AUX_SLOT] = PMS_INTR; /* XXX */ 135 136 if (pckbc_is_console(iot, addr)) { 137 t = &pckbc_consdata; 138 ioh_d = t->t_ioh_d; 139 ioh_c = t->t_ioh_c; 140 pckbc_console_attached = 1; 141 /* t->t_cmdbyte was initialized by cnattach */ 142 } else { 143 if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d) || 144 bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c)) 145 panic("pckbc_attach: couldn't map"); 146 147 t = kmem_zalloc(sizeof(struct pckbc_internal), 148 KM_SLEEP); 149 t->t_iot = iot; 150 t->t_ioh_d = ioh_d; 151 t->t_ioh_c = ioh_c; 152 t->t_addr = addr; 153 t->t_cmdbyte = KC8_CPU; /* Enable ports */ 154 callout_init(&t->t_cleanup, 0); 155 } 156 157 t->t_sc = sc; 158 sc->id = t; 159 160 aprint_normal("\n"); 161 162 /* Finish off the attach. */ 163 pckbc_attach(sc); 164} 165 166void 167pckbc_jazzio_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot) 168{ 169 struct pckbc_jazzio_softc *jsc = (void *) sc; 170 171 jazzio_intr_establish(jsc->sc_intr[slot], pckbcintr, sc); 172} 173