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pckbc_jensenio.c revision 1.11
      1 /* $NetBSD: pckbc_jensenio.c,v 1.11 2012/02/06 02:14:14 matt Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
     33 
     34 __KERNEL_RCSID(0, "$NetBSD: pckbc_jensenio.c,v 1.11 2012/02/06 02:14:14 matt Exp $");
     35 
     36 #include <sys/param.h>
     37 #include <sys/systm.h>
     38 #include <sys/kernel.h>
     39 #include <sys/proc.h>
     40 #include <sys/device.h>
     41 #include <sys/malloc.h>
     42 #include <sys/errno.h>
     43 #include <sys/queue.h>
     44 #include <sys/intr.h>
     45 #include <sys/bus.h>
     46 
     47 #include <dev/ic/i8042reg.h>
     48 #include <dev/ic/pckbcvar.h>
     49 
     50 #include <dev/eisa/eisavar.h>
     51 
     52 #include <dev/isa/isavar.h>
     53 
     54 #include <alpha/jensenio/jenseniovar.h>
     55 
     56 struct pckbc_jensenio_intrcookie {
     57 	struct pckbc_softc *ic_sc;
     58 	struct evcnt ic_ev;
     59 	u_long ic_vector;
     60 	char ic_vecstr[8];
     61 };
     62 
     63 struct pckbc_jensenio_softc {
     64 	struct	pckbc_softc sc_pckbc;	/* real "pckbc" softc */
     65 
     66 	/* Jensen-specific goo. */
     67 	struct pckbc_jensenio_intrcookie sc_ic[PCKBC_NSLOTS];
     68 };
     69 
     70 int	pckbc_jensenio_match(device_t, cfdata_t, void *);
     71 void	pckbc_jensenio_attach(device_t, device_t, void *);
     72 
     73 CFATTACH_DECL_NEW(pckbc_jensenio, sizeof(struct pckbc_jensenio_softc),
     74     pckbc_jensenio_match, pckbc_jensenio_attach, NULL, NULL);
     75 
     76 void	pckbc_jensenio_intr_establish(struct pckbc_softc *, pckbc_slot_t);
     77 void	pckbc_jensenio_intr(void *, u_long);
     78 
     79 int
     80 pckbc_jensenio_match(device_t parent, cfdata_t match, void *aux)
     81 {
     82 	struct jensenio_attach_args *ja = aux;
     83 
     84 	/* Always present. */
     85 	if (strcmp(ja->ja_name, match->cf_name) == 0)
     86 		return (1);
     87 
     88 	return (0);
     89 }
     90 
     91 void
     92 pckbc_jensenio_attach(device_t parent, device_t self, void *aux)
     93 {
     94 	struct pckbc_jensenio_softc *jsc = device_private(self);
     95 	struct pckbc_softc *sc = &jsc->sc_pckbc;
     96 	struct jensenio_attach_args *ja = aux;
     97 	struct pckbc_internal *t;
     98 	bus_space_handle_t ioh_d, ioh_c;
     99 
    100 	sc->sc_dv = self;
    101 
    102 	/*
    103 	 * Set up IRQs.
    104 	 */
    105 	jsc->sc_ic[PCKBC_KBD_SLOT].ic_vector = ja->ja_irq[0];
    106 	jsc->sc_ic[PCKBC_AUX_SLOT].ic_vector = ja->ja_irq[1];
    107 
    108 	sc->intr_establish = pckbc_jensenio_intr_establish;
    109 
    110 	if (pckbc_is_console(ja->ja_iot, ja->ja_ioaddr)) {
    111 		t = &pckbc_consdata;
    112 		pckbc_console_attached = 1;
    113 		/* t->t_cmdbyte was initialized by cnattach */
    114 	} else {
    115 		if (bus_space_map(ja->ja_iot, ja->ja_ioaddr + KBDATAP,
    116 				  1, 0, &ioh_d) != 0 ||
    117 		    bus_space_map(ja->ja_iot, ja->ja_ioaddr + KBCMDP,
    118 				  1, 0, &ioh_c) != 0)
    119 			panic("pckbc_jensenio_attach: couldn't map");
    120 
    121 		t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK);
    122 		memset(t, 0, sizeof(struct pckbc_internal));
    123 		t->t_iot = ja->ja_iot;
    124 		t->t_ioh_d = ioh_d;
    125 		t->t_ioh_c = ioh_c;
    126 		t->t_addr = ja->ja_ioaddr;
    127 		t->t_cmdbyte = KC8_CPU; /* Enable ports */
    128 	}
    129 
    130 	t->t_sc = sc;
    131 	sc->id = t;
    132 
    133 	aprint_normal("\n");
    134 
    135 	/* Finish off the attach. */
    136 	pckbc_attach(sc);
    137 }
    138 
    139 void
    140 pckbc_jensenio_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot)
    141 {
    142 	struct pckbc_jensenio_softc *jsc = (void *) sc;
    143 
    144 	jsc->sc_ic[slot].ic_sc = sc;
    145 
    146 	scb_set(jsc->sc_ic[slot].ic_vector, pckbc_jensenio_intr,
    147 	    &jsc->sc_ic[slot], IPL_VM);
    148 	aprint_normal_dev(sc->sc_dv, "%s slot interrupting at vector 0x%lx\n",
    149 	    pckbc_slot_names[slot], jsc->sc_ic[slot].ic_vector);
    150 
    151 	sprintf(jsc->sc_ic[slot].ic_vecstr, "0x%lx",
    152 	    jsc->sc_ic[slot].ic_vector);
    153 	evcnt_attach_dynamic(&jsc->sc_ic[slot].ic_ev, EVCNT_TYPE_INTR,
    154 	    NULL, "vector", jsc->sc_ic[slot].ic_vecstr);
    155 }
    156 
    157 void
    158 pckbc_jensenio_intr(void *arg, u_long vec)
    159 {
    160 	struct pckbc_jensenio_intrcookie *ic = arg;
    161 
    162 	ic->ic_ev.ev_count++;
    163 	(void) pckbcintr(ic->ic_sc);
    164 }
    165