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