sys/arch/alpha/jensenio/pckbc_jensenio.c

   1 /* $NetBSD: pckbc_jensenio.c,v 1.9 2008/03/15 13:23:24 cube 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 1.9 2008/03/15 13:23:24 cube 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 }