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pckbc_jazzio.c revision 1.2
      1 /* $NetBSD: pckbc_jazzio.c,v 1.2 2000/12/24 09:25:29 ur 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  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed for the NetBSD Project
     19  *	by Matthias Drochner.
     20  * 4. The name of the author may not be used to endorse or promote products
     21  *    derived from this software without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/kernel.h>
     38 #include <sys/proc.h>
     39 #include <sys/device.h>
     40 #include <sys/malloc.h>
     41 #include <sys/errno.h>
     42 #include <sys/queue.h>
     43 #include <sys/lock.h>
     44 
     45 #include <machine/autoconf.h>
     46 #include <machine/bus.h>
     47 #include <arc/jazz/pica.h>
     48 #include <arc/jazz/jazziovar.h>
     49 
     50 #include <dev/ic/i8042reg.h>
     51 #include <dev/ic/pckbcvar.h>
     52 #include <arc/jazz/pckbc_jazzioreg.h>
     53 
     54 #define PICA_KBCMDP	(PICA_SYS_KBD + JAZZIO_KBCMDP)
     55 
     56 int	pckbc_jazzio_match __P((struct device *, struct cfdata *, void *));
     57 void	pckbc_jazzio_attach __P((struct device *, struct device *, void *));
     58 void	pckbc_jazzio_intr_establish __P((struct pckbc_softc *, pckbc_slot_t));
     59 
     60 struct pckbc_jazzio_softc {
     61 	struct pckbc_softc sc_pckbc;
     62 
     63 	int sc_intr[PCKBC_NSLOTS];
     64 };
     65 
     66 struct cfattach pckbc_jazzio_ca = {
     67 	sizeof(struct pckbc_jazzio_softc),
     68 	pckbc_jazzio_match, pckbc_jazzio_attach,
     69 };
     70 
     71 int
     72 pckbc_jazzio_match(parent, match, aux)
     73 	struct device *parent;
     74 	struct cfdata *match;
     75 	void *aux;
     76 {
     77 	struct jazzio_attach_args *ja = aux;
     78 	bus_space_tag_t iot = ja->ja_bust;
     79 	bus_space_handle_t ioh_d, ioh_c;
     80 	bus_addr_t addr = ja->ja_addr;
     81 	int res, ok = 1;
     82 
     83 	if (strcmp(ja->ja_name, "pckbd") != 0)
     84 		return(0);
     85 
     86 	if (pckbc_is_console(iot, addr) == 0) {
     87 		if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d))
     88 			return (0);
     89 		if (bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c)) {
     90 			bus_space_unmap(iot, ioh_d, 1);
     91 			return (0);
     92 		}
     93 
     94 		/* flush KBC */
     95 		(void) pckbc_poll_data1(iot, ioh_d, ioh_c, PCKBC_KBD_SLOT, 0);
     96 
     97 		/* KBC selftest */
     98 		if (pckbc_send_cmd(iot, ioh_c, KBC_SELFTEST) == 0) {
     99 			ok = 0;
    100 			goto out;
    101 		}
    102 		res = pckbc_poll_data1(iot, ioh_d, ioh_c, PCKBC_KBD_SLOT, 0);
    103 		if (res != 0x55) {
    104 			printf("kbc selftest: %x\n", res);
    105 			ok = 0;
    106 		}
    107  out:
    108 		bus_space_unmap(iot, ioh_d, 1);
    109 		bus_space_unmap(iot, ioh_c, 1);
    110 	}
    111 
    112 	return (ok);
    113 }
    114 
    115 void
    116 pckbc_jazzio_attach(parent, self, aux)
    117 	struct device *parent, *self;
    118 	void *aux;
    119 {
    120 	struct jazzio_attach_args *ja = aux;
    121 	struct pckbc_jazzio_softc *jsc = (void *)self;
    122 	struct pckbc_softc *sc = &jsc->sc_pckbc;
    123 	struct pckbc_internal *t;
    124 	bus_space_tag_t iot = ja->ja_bust;
    125 	bus_space_handle_t ioh_d, ioh_c;
    126 	bus_addr_t addr = ja->ja_addr;
    127 
    128 	sc->intr_establish = pckbc_jazzio_intr_establish;
    129 
    130 	/*
    131 	 * To establish interrupt handler
    132 	 *
    133 	 * XXX handcrafting "aux" slot...
    134 	 */
    135 	jsc->sc_intr[PCKBC_KBD_SLOT] = ja->ja_intr;
    136 	jsc->sc_intr[PCKBC_AUX_SLOT] = 8;		/* XXX */
    137 
    138 	if (pckbc_is_console(iot, addr)) {
    139 		t = &pckbc_consdata;
    140 		ioh_d = t->t_ioh_d;
    141 		ioh_c = t->t_ioh_c;
    142 		pckbc_console_attached = 1;
    143 		/* t->t_cmdbyte was initialized by cnattach */
    144 	} else {
    145 		if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d) ||
    146 		    bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c))
    147 			panic("pckbc_attach: couldn't map");
    148 
    149 		t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK);
    150 		bzero(t, sizeof(struct pckbc_internal));
    151 		t->t_iot = iot;
    152 		t->t_ioh_d = ioh_d;
    153 		t->t_ioh_c = ioh_c;
    154 		t->t_addr = addr;
    155 		t->t_cmdbyte = KC8_CPU; /* Enable ports */
    156 		callout_init(&t->t_cleanup);
    157 	}
    158 
    159 	t->t_sc = sc;
    160 	sc->id = t;
    161 
    162 	printf("\n");
    163 
    164 	/* Finish off the attach. */
    165 	pckbc_attach(sc);
    166 }
    167 
    168 void
    169 pckbc_jazzio_intr_establish(sc, slot)
    170 	struct pckbc_softc *sc;
    171 	pckbc_slot_t slot;
    172 {
    173 	struct pckbc_jazzio_softc *jsc = (void *) sc;
    174 
    175 	jazzio_intr_establish(jsc->sc_intr[slot], pckbcintr, sc);
    176 }
    177